IRIS

This page provides a list of final IRIS assessments in alphabetical order by chemical name.

  Substance Name CASRN IRIS Summary Tox Review/
Support Document
Literature Screening Review Last Significant Revision* OPP Reregistration
Eligibility
Decision (RED)
1 Acenaphthene 83-32-9 IRIS Summary for Acenaphthene (PDF 7 pp, 89 K)  Not Available  No 11/01/1990  Not Available
2 Acenaphthylene 208-96-8 IRIS Summary for Acenaphthylene (PDF 6 pp, 82 K)  Not Available  No 01/01/1991  Not Available
3 Acetaldehyde 75-07-0 IRIS Summary for Acetaldehyde (PDF 20 pp, 147 K)  Not Available  No 10/01/1991  Not Available
4 Acetochlor 34256-82-1 IRIS Summary for Acetochlor (PDF 14 pp, 126 K)  Not Available  Yes 09/01/1993 OPP RED for Acetochlor (PDF 12 pp, 172 K)
5 Acetone 67-64-1 IRIS Summary for Acetone (PDF 26 pp, 0.23 M) Toxicological Review for Acetone (PDF 85 pp, 1.19 M)  No 07/31/2003  Not Available
6 Acetonitrile 75-05-8 IRIS Summary for Acetonitrile (PDF 23 pp, 165 K) Toxicological Review for Acetonitrile (PDF 35 pp, 144 K)  No 03/03/1999  Not Available
7 Acetophenone 98-86-2 IRIS Summary for Acetophenone (PDF 9 pp, 98 K)  Not Available  Yes 02/01/1991  Not Available
8 Acetyl chloride 75-36-5 IRIS Summary for Acetyl chloride (PDF 5 pp, 87 K)  Not Available  No 03/01/1991  Not Available
9 Acifluorfen, sodium 62476-59-9 IRIS Summary for Acifluorfen, sodium (PDF 7 pp, 89 K)  Not Available  Yes 03/31/1987 OPP RED for Acifluorfen, sodium (PDF 125 pp, 377 K)
10 Acrolein 107-02-8 IRIS Summary for Acrolein (PDF 25 pp, 176 K) Toxicological Review for Acrolein (PDF 106 pp, 332 K)  No 06/03/2003  Not Available
11 Acrylamide 79-06-1 IRIS Summary for Acrylamide (PDF 34 pp, 0.32 M) Toxicological Review for Acrylamide (PDF 459 pp, 4.84 M)  No 03/22/2010  Not Available
12 Acrylic acid 79-10-7 IRIS Summary for Acrylic acid (PDF 23 pp, 157 K)  Not Available  Yes 04/01/1994  Not Available
13 Acrylonitrile 107-13-1 IRIS Summary for Acrylonitrile (PDF 23 pp, 162 K)  Not Available  Yes 11/01/1991  Not Available
14 Adiponitrile 111-69-3 IRIS Summary for Adiponitrile (PDF 6 pp, 89 K)  Not Available  Yes 02/01/1991  Not Available
15 Alachlor 15972-60-8 IRIS Summary for Alachlor (PDF 9 pp, 100 K)  Not Available  No 09/01/1993 OPP RED for Alachlor (PDF 338 pp, 1.01 M)
16 Alar 1596-84-5 IRIS Summary for Alar (PDF 8 pp, 91 K)  Not Available  Yes 06/30/1988 OPP RED for Alar (PDF 166 pp, 7.08 M)
17 Aldicarb 116-06-3 IRIS Summary for Aldicarb (PDF 24 pp, 161 K)  Not Available  Yes 11/01/1993 OPP RED for Aldicarb (PDF 191 pp, 2.43 M)
18 Aldicarb sulfone 1646-88-4 IRIS Summary for Aldicarb sulfone (PDF 10 pp, 102 K)  Not Available  Yes 11/01/1993  Not Available
19 Aldrin 309-00-2 IRIS Summary for Aldrin (PDF 14 pp, 121 K)  Not Available  Yes 09/30/1987  Not Available
20 Ally 74223-64-6 IRIS Summary for Ally (PDF 6 pp, 85 K)  Not Available  Yes 06/30/1988  Not Available
21 Allyl alcohol 107-18-6 IRIS Summary for Allyl alcohol (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987  Not Available
22 Allyl chloride 107-05-1 IRIS Summary for Allyl chloride (PDF 13 pp, 139 K)  Not Available  Yes 12/01/1991  Not Available
23 Aluminum phosphide 20859-73-8 IRIS Summary for Aluminum phosphide (PDF 7 pp, 88 K)  Not Available  Yes 01/31/1987 OPP RED for Aluminum phosphide (PDF 203 pp, 572 K)
24 Ametryn 834-12-8 IRIS Summary for Ametryn (PDF 7 pp, 89 K)  Not Available  Yes 09/30/1987 OPP RED for Ametryn (PDF 95 pp, 1.31 M)
25 4-Aminopyridine 504-24-5 IRIS Summary for 4-Aminopyridine (PDF 6 pp, 86 K)  Not Available  Yes 12/01/1989 OPP RED for 4-Aminopyridine (PDF 75 pp, 895 K)
26 Amitraz 33089-61-1 IRIS Summary for Amitraz (PDF 8 pp, 91 K)  Not Available  Yes 08/22/1988 OPP RED for Amitraz (PDF 19 pp, 113 K)
27 Ammonia 7664-41-7 IRIS Summary for Ammonia (PDF 10 pp, 0.31 M) Toxicological Review for Ammonia (PDF 99 pp, 1.00 M)
Ammonia Support Documents
 Yes 09/20/2016  Not Available
28 Ammonium acetate 631-61-8 IRIS Summary for Ammonium acetate (PDF 5 pp, 86 K)  Not Available  No 03/01/1991  Not Available
29 Ammonium methacrylate 16325-47-6 IRIS Summary for Ammonium methacrylate (PDF 5 pp, 87 K)  Not Available  No 03/01/1991  Not Available
30 Ammonium sulfamate 7773-06-0 IRIS Summary for Ammonium sulfamate (PDF 7 pp, 89 K)  Not Available  Yes 01/01/1989  Not Available
31 Aniline 62-53-3 IRIS Summary for Aniline (PDF 19 pp, 139 K)  Not Available  Yes 11/01/1990  Not Available
32 ortho-Anisidine 90-04-0 IRIS Summary for ortho-Anisidine (PDF 4 pp, 83 K)  Not Available  Yes 10/01/1991  Not Available
33 Anthracene 120-12-7 IRIS Summary for Anthracene (PDF 13 pp, 114 K)  Not Available  No 01/01/1991  Not Available
34 Antimony 7440-36-0 IRIS Summary for Antimony (PDF 8 pp, 95 K)  Not Available  Yes 01/31/1987  Not Available
35 Antimony trioxide 1309-64-4 IRIS Summary for Antimony trioxide (PDF 21 pp, 158 K)  Not Available  Yes 09/01/1995  Not Available
36 Apollo 74115-24-5 IRIS Summary for Apollo (PDF 12 pp, 108 K)  Not Available  Yes 06/01/1991  Not Available
37 Aramite 140-57-8 IRIS Summary for Aramite (PDF 14 pp, 125 K)  Not Available  Yes 06/01/1991  Not Available
38 Aroclor 1016 12674-11-2 IRIS Summary for Aroclor 1016 (PDF 19 pp, 145 K)  Not Available  No 01/01/1993  Not Available
39 Aroclor 1248 12672-29-6 IRIS Summary for Aroclor 1248 (PDF 7 pp, 88 K)  Not Available  No 04/01/1994  Not Available
40 Aroclor 1254 11097-69-1 IRIS Summary for Aroclor 1254 (PDF 26 pp, 167 K)  Not Available  No 10/01/1994  Not Available
41 Arsenic, inorganic 7440-38-2 IRIS Summary for Arsenic, inorganic (PDF 29 pp, 186 K)  Not Available Arsenic, inorganic Support Documents  Yes 06/01/1995  Not Available
42 Arsine 7784-42-1 IRIS Summary for Arsine (PDF 17 pp, 139 K)  Not Available  Yes 03/01/1994  Not Available
43 Asbestos 1332-21-4 IRIS Summary for Asbestos (PDF 15 pp, 129 K)  Not Available  No 09/26/1988  Not Available
44 Assure 76578-14-8 IRIS Summary for Assure (PDF 11 pp, 104 K)  Not Available  Yes 06/01/1991  Not Available
45 Atrazine 1912-24-9 IRIS Summary for Atrazine (PDF 15 pp, 126 K)  Not Available  Yes 10/01/1993 OPP RED for Atrazine (PDF 323 pp, 1.86 M)
46 Avermectin B1 65195-55-3 IRIS Summary for Avermectin B1 (PDF 9 pp, 94 K)  Not Available  Yes 07/01/1989  Not Available
47 Azobenzene 103-33-3 IRIS Summary for Azobenzene (PDF 9 pp, 97 K)  Not Available  Yes 09/07/1988  Not Available
48 Barium and Compounds 7440-39-3 IRIS Summary for Barium and Compounds (PDF 34 pp, 208 K) Toxicological Review for Barium and Compounds (PDF 88 pp, 325 K)  Yes 07/11/2005  Not Available
49 Barium cyanide 542-62-1 IRIS Summary for Barium cyanide (PDF 4 pp, 77 K)  Not Available  No 03/01/1991  Not Available
50 Baygon 114-26-1 IRIS Summary for Baygon (PDF 8 pp, 92 K)  Not Available  Yes 09/30/1987 OPP RED for Baygon (PDF 154 pp, 545 K)
51 Baythroid 68359-37-5 IRIS Summary for Baythroid (PDF 7 pp, 86 K)  Not Available  Yes 03/01/1988  Not Available
52 Benomyl 17804-35-2 IRIS Summary for Benomyl (PDF 8 pp, 91 K)  Not Available  Yes 01/31/1987 OPP RED for Benomyl (PDF 6 pp, 17 K)
53 Bentazon (Basagran) 25057-89-0 IRIS Summary for Bentazon (Basagran) (PDF 20 pp, 145 K) Toxicological Review for Bentazon (Basagran) (PDF 30 pp, 180 K)  Yes 03/02/1998  Not Available
54 Benz[a]anthracene 56-55-3 IRIS Summary for Benz[a]anthracene (PDF 12 pp, 114 K)  Not Available  No 12/01/1990  Not Available
55 Benzaldehyde 100-52-7 IRIS Summary for Benzaldehyde (PDF 6 pp, 86 K)  Not Available  Yes 09/07/1988  Not Available
56 Benzene 71-43-2 IRIS Summary for Benzene (PDF 45 pp, 0.26 M) Noncancer Effects Toxicological Review for Benzene (PDF 180 pp, 1.59 M)
Benzene Support Documents
 No 04/17/2003  Not Available
57 Benzidine 92-87-5 IRIS Summary for Benzidine (PDF 16 pp, 129 K)  Not Available  Yes 07/01/1991  Not Available
58 Benzo[a]pyrene (BaP) 50-32-8 IRIS Summary for Benzo[a]pyrene (BaP) (PDF 9 pp, 0.67 M) Toxicological Review for Benzo[a]pyrene (BaP) (PDF 234 pp, 4.67 M)
Benzo[a]pyrene (BaP) Support Documents
 No 01/19/2017  Not Available
59 Benzo[b]fluoranthene 205-99-2 IRIS Summary for Benzo[b]fluoranthene (PDF 8 pp, 94 K)  Not Available  No 12/01/1990  Not Available
60 Benzo[g,h,i]perylene 191-24-2 IRIS Summary for Benzo[g,h,i]perylene (PDF 8 pp, 98 K)  Not Available  No 12/01/1990  Not Available
61 Benzo[k]fluoranthene 207-08-9 IRIS Summary for Benzo[k]fluoranthene (PDF 8 pp, 97 K)  Not Available  No 11/01/1990  Not Available
62 Benzoic acid 65-85-0 IRIS Summary for Benzoic acid (PDF 11 pp, 108 K)  Not Available  Yes 08/01/1989 OPP RED for Benzoic acid (PDF 27 pp, 1.7 M)
63 Benzotrichloride 98-07-7 IRIS Summary for Benzotrichloride (PDF 14 pp, 119 K)  Not Available  No 07/01/1990  Not Available
64 Benzyl chloride 100-44-7 IRIS Summary for Benzyl chloride (PDF 13 pp, 118 K)  Not Available  Yes 01/01/1992  Not Available
65 Beryllium and compounds 7440-41-7 IRIS Summary for Beryllium and compounds (PDF 51 pp, 284 K) Toxicological Review for Beryllium and compounds (PDF 94 pp, 320 K)  Yes 04/03/1998  Not Available
66 Biphenthrin 82657-04-3 IRIS Summary for Biphenthrin (PDF 7 pp, 87 K)  Not Available  Yes 08/22/1988  Not Available
67 Biphenyl 92-52-4 IRIS Summary for Biphenyl (PDF 12 pp, 0.11 M) Toxicological Review for Biphenyl (PDF 225 pp, 4.82 M)  Yes 08/27/2013  Not Available
68 Bis(2-chloro-1-methylethyl) ether 108-60-1 IRIS Summary for Bis(2-chloro-1-methylethyl) ether (PDF 7 pp, 91 K)  Not Available  Yes 10/01/1989  Not Available
69 Bis(2-chloroethoxy)methane 111-91-1 IRIS Summary for Bis(2-chloroethoxy)methane (PDF 5 pp, 88 K)  Not Available  Yes 03/01/1991  Not Available
70 Bis(chloroethyl)ether (BCEE) 111-44-4 IRIS Summary for Bis(chloroethyl)ether (BCEE) (PDF 10 pp, 104 K)  Not Available  Yes 10/01/1991  Not Available
71 Bis(chloromethyl)ether (BCME) 542-88-1 IRIS Summary for Bis(chloromethyl)ether (BCME) (PDF 12 pp, 113 K)  Not Available  Yes 07/01/1991  Not Available
72 Bisphenol A. 80-05-7 IRIS Summary for Bisphenol A. (PDF 8 pp, 93 K)  Not Available  Yes 09/26/1988  Not Available
73 Boron and Compounds 7440-42-8 IRIS Summary for Boron and Compounds (PDF 30 pp, 193 K) Toxicological Review for Boron and Compounds (PDF 144 pp, 864 K)  No 08/05/2004  Not Available
74 Bromate 15541-45-4 IRIS Summary for Bromate (PDF 27 pp, 186 K) Toxicological Review for Bromate (PDF 58 pp, 261 K)  No 06/06/2001  Not Available
75 Brominated dibenzofurans IRIS Summary for Brominated dibenzofurans (PDF 5 pp, 81 K)  Not Available  No 12/01/1990  Not Available
76 Bromobenzene 108-86-1 IRIS Summary for Bromobenzene (PDF 27 pp, 243 K) Toxicological Review for Bromobenzene (PDF 123 pp, 786 K)  No 09/30/2009  Not Available
77 Bromochloromethane 74-97-5 IRIS Summary for Bromochloromethane (PDF 6 pp, 93 K)  Not Available  No 03/01/1991  Not Available
78 Bromodichloromethane 75-27-4 IRIS Summary for Bromodichloromethane (PDF 18 pp, 135 K)  Not Available  Yes 02/01/1993  Not Available
79 p-Bromodiphenyl ether 101-55-3 IRIS Summary for p-Bromodiphenyl ether (PDF 6 pp, 91 K)  Not Available  No 08/01/1990  Not Available
80 Bromoform 75-25-2 IRIS Summary for Bromoform (PDF 23 pp, 152 K)  Not Available  Yes 12/01/1993  Not Available
81 Bromomethane 74-83-9 IRIS Summary for Bromomethane (PDF 29 pp, 184 K)  Not Available  Yes 04/01/1992 OPP RED for Bromomethane (PDF 58 pp, 1.21 M)
82 Bromotrichloromethane 75-62-7 IRIS Summary for Bromotrichloromethane (PDF 6 pp, 89 K)  Not Available  Yes 03/01/1991  Not Available
83 1,3-Butadiene 106-99-0 IRIS Summary for 1,3-Butadiene (PDF 27 pp, 0.19 M)  Not Available 1,3-Butadiene Support Documents  No 11/05/2002  Not Available
84 n-Butanol 71-36-3 IRIS Summary for n-Butanol (PDF 10 pp, 100 K)  Not Available  Yes 03/01/1991  Not Available
85 Butyl benzyl phthalate (BBP) 85-68-7 IRIS Summary for Butyl benzyl phthalate (BBP) (PDF 12 pp, 111 K)  Not Available  Yes 09/01/1989  Not Available
86 Butylate 2008-41-5 IRIS Summary for Butylate (PDF 13 pp, 116 K)  Not Available  Yes 10/01/1994 OPP RED for Butylate (PDF 1 pp, 1 K)
87 t-Butylchloride 507-20-0 IRIS Summary for t-Butylchloride (PDF 6 pp, 86 K)  Not Available  No 04/01/1990  Not Available
88 Butylphthalyl butylglycolate (BPBG) 85-70-1 IRIS Summary for Butylphthalyl butylglycolate (BPBG) (PDF 6 pp, 86 K)  Not Available  No 03/01/1987  Not Available
89 Cacodylic acid 75-60-5 IRIS Summary for Cacodylic acid (PDF 9 pp, 104 K)  Not Available  Yes 11/01/1992 OPP RED for Cacodylic acid (PDF 70 pp, 742 K)
90 Cadmium 7440-43-9 IRIS Summary for Cadmium (PDF 13 pp, 118 K)  Not Available  No 10/01/1989  Not Available
91 Calcium cyanide 592-01-8 IRIS Summary for Calcium cyanide (PDF 27 pp, 243 K) Toxicological Review for Calcium cyanide (PDF 153 pp, 905 K)  Yes 09/28/2010  Not Available
92 Caprolactam 105-60-2 IRIS Summary for Caprolactam (PDF 17 pp, 134 K)  Not Available  Yes 09/01/1994  Not Available
93 Captafol 2425-06-1 IRIS Summary for Captafol (PDF 7 pp, 87 K)  Not Available  Yes 09/30/1987  Not Available
94 Captan 133-06-2 IRIS Summary for Captan (PDF 9 pp, 97 K)  Not Available  No 03/01/1989 OPP RED for Captan (PDF 280 pp, 587 K)
95 Carbaryl 63-25-2 IRIS Summary for Carbaryl (PDF 8 pp, 95 K)  Not Available  Yes 11/01/1991 OPP RED for Carbaryl (PDF 47 pp, 453 K)
96 Carbofuran 1563-66-2 IRIS Summary for Carbofuran (PDF 7 pp, 87 K)  Not Available  Yes 09/30/1987 OPP RED for Carbofuran (PDF 47 pp, 460 K)
97 Carbon disulfide 75-15-0 IRIS Summary for Carbon disulfide (PDF 30 pp, 185 K)  Not Available  Yes 08/01/1995  Not Available
98 Carbon tetrachloride 56-23-5 IRIS Summary for Carbon tetrachloride (PDF 20 pp, 0.36 M) Toxicological Review for Carbon tetrachloride (PDF 473 pp, 3.04 M)  No 03/31/2010  Not Available
99 Carbonyl sulfide 463-58-1 IRIS Summary for Carbonyl sulfide (PDF 4 pp, 82 K)  Not Available  Yes 11/01/1991  Not Available
100 Carbosulfan 55285-14-8 IRIS Summary for Carbosulfan (PDF 7 pp, 87 K)  Not Available  Yes 01/31/1987  Not Available
101 Carboxin 5234-68-4 IRIS Summary for Carboxin (PDF 7 pp, 88 K)  Not Available  Yes 01/31/1987 OPP RED for Carboxin (PDF 98 pp, 219 K)
102 Cerium Oxide and Cerium Compounds 1306-38-3 IRIS Summary for Cerium Oxide and Cerium Compounds (PDF 19 pp, 205 K) Toxicological Review for Cerium Oxide and Cerium Compounds (PDF 118 pp, 720 K)  No 09/29/2009  Not Available
103 Chloral hydrate 302-17-0 IRIS Summary for Chloral hydrate (PDF 39 pp, 220 K) Toxicological Review for Chloral hydrate (PDF 69 pp, 148 K)  Yes 09/15/2000  Not Available
104 Chloramben 133-90-4 IRIS Summary for Chloramben (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
105 Chlordane (Technical) 12789-03-6 IRIS Summary for Chlordane (Technical) (PDF 46 pp, 262 K) Toxicological Review for Chlordane (Technical) (PDF 73 pp, 228 K)  Yes 02/07/1998  Not Available
106 Chlordecone (Kepone) 143-50-0 IRIS Summary for Chlordecone (Kepone) (PDF 24 pp, 0.23 M) Toxicological Review for Chlordecone (Kepone) (PDF 183 pp, 1.03 M)  No 09/22/2009  Not Available
107 Chlorine 7782-50-5 IRIS Summary for Chlorine (PDF 14 pp, 120 K)  Not Available  Yes 06/01/1994 OPP RED for Chlorine (PDF 152 pp, 962 K)
108 Chlorine cyanide 506-77-4 IRIS Summary for Chlorine cyanide (PDF 8 pp, 93 K)  Not Available  No 01/31/1987  Not Available
109 Chlorine dioxide 10049-04-4 IRIS Summary for Chlorine dioxide (PDF 25 pp, 177 K) Toxicological Review for Chlorine dioxide (PDF 56 pp, 144 K)  Yes 10/11/2000 OPP RED for Chlorine dioxide (PDF 124 pp, 1.25 M)
110 Chlorite (sodium salt) 7758-19-2 IRIS Summary for Chlorite (sodium salt) (PDF 19 pp, 143 K) Toxicological Review for Chlorite (sodium salt) (PDF 56 pp, 144 K)  No 10/11/2000 OPP RED for Chlorite (sodium salt) (PDF 124 pp, 1.25 M)
111 1-Chloro-1,1-difluoroethane 75-68-3 IRIS Summary for 1-Chloro-1,1-difluoroethane (PDF 10 pp, 110 K)  Not Available  No 07/01/1995  Not Available
112 2-Chloroacetophenone 532-27-4 IRIS Summary for 2-Chloroacetophenone (PDF 12 pp, 118 K)  Not Available  Yes 10/01/1991  Not Available
113 p-Chloroaniline 106-47-8 IRIS Summary for p-Chloroaniline (PDF 6 pp, 86 K)  Not Available  Yes 08/22/1988  Not Available
114 Chlorobenzene 108-90-7 IRIS Summary for Chlorobenzene (PDF 13 pp, 114 K)  Not Available  Yes 11/01/1990  Not Available
115 Chlorobenzilate 510-15-6 IRIS Summary for Chlorobenzilate (PDF 7 pp, 90 K)  Not Available  Yes 12/01/1989  Not Available
116 1-Chlorobutane 109-69-3 IRIS Summary for 1-Chlorobutane (PDF 9 pp, 95 K)  Not Available  No 04/01/1990  Not Available
117 2-Chlorobutane 78-86-4 IRIS Summary for 2-Chlorobutane (PDF 6 pp, 85 K)  Not Available  No 04/01/1990  Not Available
118 Chlorocyclopentadiene 41851-50-7 IRIS Summary for Chlorocyclopentadiene (PDF 5 pp, 80 K)  Not Available  No 03/01/1990  Not Available
119 Chlorodifluoromethane 75-45-6 IRIS Summary for Chlorodifluoromethane (PDF 12 pp, 119 K)  Not Available  Yes 11/01/1993  Not Available
120 Chloroform 67-66-3 IRIS Summary for Chloroform (PDF 41 pp, 234 K) Toxicological Review for Chloroform (PDF 112 pp, 759 K)  No 10/19/2001  Not Available
121 Chloromethyl methyl ether (CMME) 107-30-2 IRIS Summary for Chloromethyl methyl ether (CMME) (PDF 9 pp, 97 K)  Not Available  No 09/30/1987  Not Available
122 beta-Chloronaphthalene 91-58-7 IRIS Summary for beta-Chloronaphthalene (PDF 6 pp, 93 K)  Not Available  No 11/01/1990  Not Available
123 2-Chlorophenol 95-57-8 IRIS Summary for 2-Chlorophenol (PDF 6 pp, 95 K)  Not Available  Yes 08/22/1988  Not Available
124 p-Chlorophenyl methyl sulfide 123-09-1 IRIS Summary for p-Chlorophenyl methyl sulfide (PDF 7 pp, 96 K)  Not Available  No 06/01/1993  Not Available
125 p-Chlorophenyl methyl sulfone 98-57-7 IRIS Summary for p-Chlorophenyl methyl sulfone (PDF 7 pp, 95 K)  Not Available  Yes 06/01/1993  Not Available
126 p-Chlorophenyl methyl sulfoxide 934-73-6 IRIS Summary for p-Chlorophenyl methyl sulfoxide (PDF 7 pp, 95 K)  Not Available  Yes 06/01/1993  Not Available
127 Chloroprene 126-99-8 IRIS Summary for Chloroprene (PDF 30 pp, 0.31 M) Toxicological Review for Chloroprene (PDF 303 pp, 4.63 M)
Chloroprene Support Documents
 No 09/30/2010  Not Available
128 Chlorothalonil 1897-45-6 IRIS Summary for Chlorothalonil (PDF 7 pp, 89 K)  Not Available  No 03/01/1988 OPP RED for Chlorothalonil (PDF 337 pp, 1.02 M)
129 o-Chlorotoluene 95-49-8 IRIS Summary for o-Chlorotoluene (PDF 7 pp, 89 K)  Not Available  Yes 02/01/1990  Not Available
130 Chlorpyrifos 2921-88-2 IRIS Summary for Chlorpyrifos (PDF 4 pp, 75 K)  Not Available  No 03/24/2011 OPP RED for Chlorpyrifos (PDF 260 pp, 3.5 M)
131 Chromium(III), insoluble salts 16065-83-1 IRIS Summary for Chromium(III), insoluble salts (PDF 17 pp, 136 K) Toxicological Review for Chromium(III), insoluble salts (PDF 77 pp, 497 K)  Yes 09/03/1998  Not Available
132 Chromium(VI) 18540-29-9 IRIS Summary for Chromium(VI) (PDF 34 pp, 203 K) Toxicological Review for Chromium(VI) (PDF 70 pp, 195 K)  Yes 09/03/1998  Not Available
133 Chrysene 218-01-9 IRIS Summary for Chrysene (PDF 10 pp, 102 K)  Not Available  No 12/01/1990  Not Available
134 Coke oven emissions IRIS Summary for Coke oven emissions (PDF 13 pp, 114 K)  Not Available  Yes 05/01/1989  Not Available
135 Copper 7440-50-8 IRIS Summary for Copper (PDF 7 pp, 87 K)  Not Available  No 09/07/1988  Not Available
136 Copper cyanide 544-92-3 IRIS Summary for Copper cyanide (PDF 8 pp, 95 K)  Not Available  No 09/07/1988  Not Available
137 Creosote 8001-58-9 IRIS Summary for Creosote (PDF 8 pp, 92 K)  Not Available  Yes 09/07/1988  Not Available
138 Crotonaldehyde 123-73-9 IRIS Summary for Crotonaldehyde (PDF 8 pp, 101 K)  Not Available  No 06/01/1991  Not Available
139 Cumene 98-82-8 IRIS Summary for Cumene (PDF 22 pp, 155 K) Toxicological Review for Cumene (PDF 35 pp, 174 K)  Yes 08/01/1997  Not Available
140 Cyanazine 21725-46-2 IRIS Summary for Cyanazine (PDF 5 pp, 82 K)  Not Available  Yes 07/01/1992  Not Available
141 Cyanide, free 57-12-5 IRIS Summary for Cyanide, free (PDF 27 pp, 243 K) Toxicological Review for Cyanide, free (PDF 153 pp, 905 K)  Yes 09/28/2010  Not Available
142 Cyanogen 460-19-5 IRIS Summary for Cyanogen (PDF 27 pp, 243 K) Toxicological Review for Cyanogen (PDF 153 pp, 910 K)  Yes 09/28/2010  Not Available
143 Cyanogen bromide 506-68-3 IRIS Summary for Cyanogen bromide (PDF 8 pp, 93 K)  Not Available  No 09/26/1988  Not Available
144 Cyclohexane 110-82-7 IRIS Summary for Cyclohexane (PDF 16 pp, 0.18 M) Toxicological Review for Cyclohexane (PDF 87 pp, 4.80 M)  No 09/11/2003  Not Available
145 Cyclohexanone 108-94-1 IRIS Summary for Cyclohexanone (PDF 7 pp, 95 K)  Not Available  Yes 09/30/1987  Not Available
146 Cyclohexylamine 108-91-8 IRIS Summary for Cyclohexylamine (PDF 7 pp, 90 K)  Not Available  Yes 09/07/1988  Not Available
147 Dacthal 1861-32-1 IRIS Summary for Dacthal (PDF 17 pp, 132 K)  Not Available  Yes 08/01/1994 OPP RED for Dacthal (PDF 220 pp, 646 K)
148 Dalapon, sodium salt 75-99-0 IRIS Summary for Dalapon, sodium salt (PDF 7 pp, 90 K)  Not Available  Yes 08/22/1988  Not Available
149 Danitol 39515-41-8 IRIS Summary for Danitol (PDF 14 pp, 116 K)  Not Available  Yes 10/01/1994  Not Available
150 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) 1163-19-5 IRIS Summary for 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) (PDF 25 pp, 232 K) Toxicological Review for 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) (PDF 126 pp, 820 K)  Yes 06/30/2008  Not Available
151 Demeton 8065-48-3 IRIS Summary for Demeton (PDF 8 pp, 92 K)  Not Available  Yes 01/31/1987  Not Available
152 Di (2-ethylhexyl)phthalate (DEHP) 117-81-7 IRIS Summary for Di (2-ethylhexyl)phthalate (DEHP) (PDF 14 pp, 121 K)  Not Available  No 09/07/1988  Not Available
153 Di(2-ethylhexyl)adipate 103-23-1 IRIS Summary for Di(2-ethylhexyl)adipate (PDF 17 pp, 135 K)  Not Available  No 07/01/1992  Not Available
154 2,4-Diaminotoluene 95-80-7 IRIS Summary for 2,4-Diaminotoluene (PDF 6 pp, 92 K)  Not Available  Yes 03/01/1991  Not Available
155 Diazomethane 334-88-3 IRIS Summary for Diazomethane (PDF 4 pp, 81 K)  Not Available  Yes 11/01/1991  Not Available
156 Dibenz[a,h]anthracene 53-70-3 IRIS Summary for Dibenz[a,h]anthracene (PDF 12 pp, 114 K)  Not Available  No 12/01/1990  Not Available
157 Dibenzofuran 132-64-9 IRIS Summary for Dibenzofuran (PDF 6 pp, 86 K)  Not Available  Yes 10/01/1990  Not Available
158 1,2-Dibromo-3-chloropropane (DBCP) 96-12-8 IRIS Summary for 1,2-Dibromo-3-chloropropane (DBCP) (PDF 16 pp, 130 K)  Not Available  Yes 10/01/1991  Not Available
159 1,4-Dibromobenzene 106-37-6 IRIS Summary for 1,4-Dibromobenzene (PDF 6 pp, 85 K)  Not Available  No 03/31/1987  Not Available
160 Dibromochloromethane 124-48-1 IRIS Summary for Dibromochloromethane (PDF 13 pp, 116 K)  Not Available  Yes 01/01/1992  Not Available
161 Dibromodichloromethane 594-18-3 IRIS Summary for Dibromodichloromethane (PDF 5 pp, 87 K)  Not Available  No 03/01/1991  Not Available
162 p,p'-Dibromodiphenyl ether 2050-47-7 IRIS Summary for p,p'-Dibromodiphenyl ether (PDF 6 pp, 89 K)  Not Available  No 08/01/1990  Not Available
163 1,2-Dibromoethane 106-93-4 IRIS Summary for 1,2-Dibromoethane (PDF 34 pp, 0.24 M) Toxicological Review for 1,2-Dibromoethane (PDF 240 pp, 3.73 M)  No 07/29/2004  Not Available
164 Dibutyl phthalate (DBP) 84-74-2 IRIS Summary for Dibutyl phthalate (DBP) (PDF 11 pp, 107 K)  Not Available  Yes 10/01/1990  Not Available
165 Dicamba 1918-00-9 IRIS Summary for Dicamba (PDF 8 pp, 92 K)  Not Available  Yes 08/22/1988 OPP RED for Dicamba (PDF 37 pp, 569 K)
166 Dichloroacetic acid 79-43-6 IRIS Summary for Dichloroacetic acid (PDF 40 pp, 0.32 M) Toxicological Review for Dichloroacetic acid (PDF 192 pp, 1.71 M)  No 09/11/2003  Not Available
167 1,2-Dichlorobenzene 95-50-1 IRIS Summary for 1,2-Dichlorobenzene (PDF 11 pp, 106 K)  Not Available  No 11/01/1990  Not Available
168 1,3-Dichlorobenzene 541-73-1 IRIS Summary for 1,3-Dichlorobenzene (PDF 6 pp, 82 K)  Not Available  No 09/01/1990  Not Available
169 1,4-Dichlorobenzene 106-46-7 IRIS Summary for 1,4-Dichlorobenzene (PDF 11 pp, 115 K)  Not Available  No 01/01/1994  Not Available
170 3,3'-Dichlorobenzidine 91-94-1 IRIS Summary for 3,3'-Dichlorobenzidine (PDF 11 pp, 112 K)  Not Available  No 11/01/1991  Not Available
171 Dichlorodifluoromethane 75-71-8 IRIS Summary for Dichlorodifluoromethane (PDF 7 pp, 90 K)  Not Available  No 01/31/1987  Not Available
172 p,p'-Dichlorodiphenyl dichloroethane (DDD) 72-54-8 IRIS Summary for p,p'-Dichlorodiphenyl dichloroethane (DDD) (PDF 9 pp, 97 K)  Not Available  Yes 08/22/1988  Not Available
173 p,p'-Dichlorodiphenyldichloroethylene (DDE) 72-55-9 IRIS Summary for p,p'-Dichlorodiphenyldichloroethylene (DDE) (PDF 10 pp, 102 K)  Not Available  Yes 08/22/1988  Not Available
174 p,p'-Dichlorodiphenyltrichloroethane (DDT) 50-29-3 IRIS Summary for p,p'-Dichlorodiphenyltrichloroethane (DDT) (PDF 17 pp, 133 K)  Not Available  Yes 08/22/1988  Not Available
175 1,1-Dichloroethane 75-34-3 IRIS Summary for 1,1-Dichloroethane (PDF 10 pp, 102 K)  Not Available  Yes 10/01/1990  Not Available
176 1,2-Dichloroethane 107-06-2 IRIS Summary for 1,2-Dichloroethane (PDF 11 pp, 108 K)  Not Available  No 03/31/1987  Not Available
177 cis-1,2-Dichloroethylene 156-59-2 IRIS Summary for cis-1,2-Dichloroethylene (PDF 16 pp, 0.18 M) Toxicological Review for cis-1,2-Dichloroethylene (PDF 174 pp, 1.18 M)  Yes 09/30/2010  Not Available
178 trans-1,2-Dichloroethylene 156-60-5 IRIS Summary for trans-1,2-Dichloroethylene (PDF 22 pp, 0.22 M) Toxicological Review for trans-1,2-Dichloroethylene (PDF 174 pp, 1.18 M)  Yes 09/30/2010  Not Available
179 1,1-Dichloroethylene (1,1-DCE) 75-35-4 IRIS Summary for 1,1-Dichloroethylene (1,1-DCE) (PDF 37 pp, 225 K) Toxicological Review for 1,1-Dichloroethylene (1,1-DCE) (PDF 72 pp, 531 K)  No 08/13/2002  Not Available
180 Dichloromethane 75-09-2 IRIS Summary for Dichloromethane (PDF 44 pp, 0.34 M) Toxicological Review for Dichloromethane (PDF 567 pp, 5.10 M)  Yes 11/18/2011  Not Available
181 2,4-Dichlorophenol 120-83-2 IRIS Summary for 2,4-Dichlorophenol (PDF 7 pp, 88 K)  Not Available  Yes 01/31/1987  Not Available
182 2,4-Dichlorophenoxyacetic acid (2,4-D) 94-75-7 IRIS Summary for 2,4-Dichlorophenoxyacetic acid (2,4-D) (PDF 9 pp, 100 K)  Not Available  Yes 03/31/1987 OPP RED for 2,4-Dichlorophenoxyacetic acid (2,4-D) (PDF 320 pp, 956 K)
183 1,2-Dichloropropane 78-87-5 IRIS Summary for 1,2-Dichloropropane (PDF 15 pp, 33 K)  Not Available  Yes 12/01/1991  Not Available
184 2,3-Dichloropropanol 616-23-9 IRIS Summary for 2,3-Dichloropropanol (PDF 6 pp, 85 K)  Not Available  No 11/01/1990  Not Available
185 1,3-Dichloropropene 542-75-6 IRIS Summary for 1,3-Dichloropropene (PDF 34 pp, 213 K) Toxicological Review for 1,3-Dichloropropene (PDF 83 pp, 394 K)  Yes 05/25/2000  Not Available
186 Dichlorvos 62-73-7 IRIS Summary for Dichlorvos (PDF 33 pp, 201 K)  Not Available  Yes 06/01/1994 OPP RED for Dichlorvos (PDF 342 pp, 8.53 M)
187 Dicofol 115-32-2 IRIS Summary for Dicofol (PDF 4 pp, 78 K)  Not Available  Yes 04/01/1992 OPP RED for Dicofol (PDF 257 pp, 851 K)
188 Dieldrin 60-57-1 IRIS Summary for Dieldrin (PDF 18 pp, 135 K)  Not Available  Yes 09/07/1988  Not Available
189 Diesel engine exhaust IRIS Summary for Diesel engine exhaust (PDF 36 pp, 297 K)  Not Available  No 02/28/2003  Not Available
190 Diethyl phthalate (DEP) 84-66-2 IRIS Summary for Diethyl phthalate (DEP) (PDF 10 pp, 103 K)  Not Available  Yes 09/07/1988  Not Available
191 Diethyl sulfate 64-67-5 IRIS Summary for Diethyl sulfate (PDF 4 pp, 84 K)  Not Available  Yes 11/01/1991  Not Available
192 Diethyl-p-nitrophenylphosphate 311-45-5 IRIS Summary for Diethyl-p-nitrophenylphosphate (PDF 7 pp, 94 K)  Not Available  No 10/01/1992  Not Available
193 Diethylene glycol dinitrate (DEGDN) 693-21-0 IRIS Summary for Diethylene glycol dinitrate (DEGDN) (PDF 6 pp, 91 K)  Not Available  No 02/01/1993  Not Available
194 Diflubenzuron 35367-38-5 IRIS Summary for Diflubenzuron (PDF 7 pp, 88 K)  Not Available  No 09/30/1987 OPP RED for Diflubenzuron (PDF 214 pp, 769 K)
195 1,1-Difluoroethane 75-37-6 IRIS Summary for 1,1-Difluoroethane (PDF 11 pp, 115 K)  Not Available  No 09/01/1994  Not Available
196 Diisopropyl methylphosphonate (DIMP) 1445-75-6 IRIS Summary for Diisopropyl methylphosphonate (DIMP) (PDF 12 pp, 111 K)  Not Available  Yes 04/01/1989  Not Available
197 Dimethyl phthalate 131-11-3 IRIS Summary for Dimethyl phthalate (PDF 8 pp, 93 K)  Not Available  Yes 09/01/1990  Not Available
198 Dimethyl sulfate 77-78-1 IRIS Summary for Dimethyl sulfate (PDF 10 pp, 100 K)  Not Available  Yes 01/01/1992  Not Available
199 Dimethyl terephthalate (DMT) 120-61-6 IRIS Summary for Dimethyl terephthalate (DMT) (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
200 Dimethylamine 124-40-3 IRIS Summary for Dimethylamine (PDF 4 pp, 76 K)  Not Available  Yes 01/01/1991  Not Available
201 N-N-Dimethylaniline 121-69-7 IRIS Summary for N-N-Dimethylaniline (PDF 7 pp, 89 K)  Not Available  Yes 09/30/1987  Not Available
202 3,3-Dimethylbenzidine 119-93-7 IRIS Summary for 3,3-Dimethylbenzidine (PDF 5 pp, 88 K)  Not Available  Yes 07/01/1991  Not Available
203 N,N-Dimethylformamide 68-12-2 IRIS Summary for N,N-Dimethylformamide (PDF 16 pp, 126 K)  Not Available  Yes 10/01/1990  Not Available
204 2,4-Dimethylphenol 105-67-9 IRIS Summary for 2,4-Dimethylphenol (PDF 7 pp, 88 K)  Not Available  Yes 11/01/1990 OPP RED for 2,4-Dimethylphenol (PDF 165 pp, 1.01 M)
205 2,6-Dimethylphenol 576-26-1 IRIS Summary for 2,6-Dimethylphenol (PDF 6 pp, 86 K)  Not Available  No 09/07/1988  Not Available
206 3,4-Dimethylphenol 95-65-8 IRIS Summary for 3,4-Dimethylphenol (PDF 7 pp, 87 K)  Not Available  No 09/07/1988  Not Available
207 4,6-Dinitro-o-cyclohexyl phenol 131-89-5 IRIS Summary for 4,6-Dinitro-o-cyclohexyl phenol (PDF 7 pp, 90 K)  Not Available  Yes 08/22/1988  Not Available
208 m-Dinitrobenzene 99-65-0 IRIS Summary for m-Dinitrobenzene (PDF 10 pp, 101 K)  Not Available  No 03/01/1991  Not Available
209 o-Dinitrobenzene 528-29-0 IRIS Summary for o-Dinitrobenzene (PDF 7 pp, 94 K)  Not Available  No 09/01/1992  Not Available
210 2,4-Dinitrophenol 51-28-5 IRIS Summary for 2,4-Dinitrophenol (PDF 8 pp, 95 K)  Not Available  No 10/01/1991  Not Available
211 2,4-Dinitrotoluene 121-14-2 IRIS Summary for 2,4-Dinitrotoluene (PDF 13 pp, 126 K)  Not Available  Yes 06/01/1992  Not Available
212 2,4-/2,6-Dinitrotoluene mixture IRIS Summary for 2,4-/2,6-Dinitrotoluene mixture (PDF 12 pp, 110 K)  Not Available  Yes 09/01/1990  Not Available
213 Dinoseb 88-85-7 IRIS Summary for Dinoseb (PDF 12 pp, 111 K)  Not Available  Yes 08/01/1989  Not Available
214 1,4-Dioxane 123-91-1 IRIS Summary for 1,4-Dioxane (PDF 25 pp, 0.27 M) Toxicological Review for 1,4-Dioxane (PDF 419 pp, 8.52 M)  Yes 09/20/2013  Not Available
215 Diphenamid 957-51-7 IRIS Summary for Diphenamid (PDF 6 pp, 87 K)  Not Available  Yes 09/30/1987  Not Available
216 1,2-Diphenylhydrazine 122-66-7 IRIS Summary for 1,2-Diphenylhydrazine (PDF 11 pp, 107 K)  Not Available  No 11/01/1991  Not Available
217 Diquat 85-00-7 IRIS Summary for Diquat (PDF 8 pp, 93 K)  Not Available  Yes 03/31/1987 OPP RED for Diquat (PDF 8 pp, 30 K)
218 Disulfoton 298-04-4 IRIS Summary for Disulfoton (PDF 7 pp, 90 K)  Not Available  Yes 03/31/1987 OPP RED for Disulfoton (PDF 191 pp, 2.41 M)
219 1,4-Dithiane 505-29-3 IRIS Summary for 1,4-Dithiane (PDF 10 pp, 108 K)  Not Available  No 03/01/1993  Not Available
220 Diuron 330-54-1 IRIS Summary for Diuron (PDF 7 pp, 90 K)  Not Available  Yes 08/22/1988 OPP RED for Diuron (PDF 17 pp, 40 K)
221 Endosulfan 115-29-7 IRIS Summary for Endosulfan (PDF 15 pp, 122 K)  Not Available  Yes 10/01/1994 OPP RED for Endosulfan (PDF 249 pp, 976 K)
222 Endothall 145-73-3 IRIS Summary for Endothall (PDF 7 pp, 90 K)  Not Available  Yes 03/31/1987 OPP RED for Endothall (PDF 219 pp, 3.37 M)
223 Endrin 72-20-8 IRIS Summary for Endrin (PDF 11 pp, 108 K)  Not Available  Yes 10/01/1989  Not Available
224 Epichlorohydrin 106-89-8 IRIS Summary for Epichlorohydrin (PDF 24 pp, 167 K)  Not Available  Yes 04/01/1992  Not Available
225 1,2-Epoxybutane (EBU) 106-88-7 IRIS Summary for 1,2-Epoxybutane (EBU) (PDF 13 pp, 121 K)  Not Available  Yes 05/01/1992  Not Available
226 Ethephon 16672-87-0 IRIS Summary for Ethephon (PDF 8 pp, 91 K)  Not Available  Yes 08/22/1988 OPP RED for Ethephon (PDF 15 pp, 196 K)
227 Ethion 563-12-2 IRIS Summary for Ethion (PDF 9 pp, 96 K)  Not Available  No 09/01/1989 OPP RED for Ethion (PDF 1 pp, 1 K)
228 2-Ethoxyethanol 110-80-5 IRIS Summary for 2-Ethoxyethanol (PDF 11 pp, 113 K)  Not Available  Yes 05/01/1991  Not Available
229 Ethyl acetate 141-78-6 IRIS Summary for Ethyl acetate (PDF 6 pp, 87 K)  Not Available  Yes 03/01/1987  Not Available
230 Ethyl carbamate 51-79-6 IRIS Summary for Ethyl carbamate (PDF 4 pp, 83 K)  Not Available  Yes 04/01/1992  Not Available
231 Ethyl chloride 75-00-3 IRIS Summary for Ethyl chloride (PDF 12 pp, 121 K)  Not Available  No 04/01/1991  Not Available
232 Ethyl ether 60-29-7 IRIS Summary for Ethyl ether (PDF 7 pp, 89 K)  Not Available  Yes 09/01/1990  Not Available
233 Ethyl p-nitrophenyl phenylphosphorothioate (EPN) 2104-64-5 IRIS Summary for Ethyl p-nitrophenyl phenylphosphorothioate (EPN) (PDF 7 pp, 90 K)  Not Available  Yes 09/30/1987  Not Available
234 Ethylbenzene 100-41-4 IRIS Summary for Ethylbenzene (PDF 21 pp, 148 K)  Not Available  No 03/01/1991  Not Available
235 Ethylene diamine 107-15-3 IRIS Summary for Ethylene diamine (PDF 9 pp, 105 K)  Not Available  Yes 11/01/1992  Not Available
236 Ethylene glycol 107-21-1 IRIS Summary for Ethylene glycol (PDF 8 pp, 92 K)  Not Available  Yes 09/30/1987  Not Available
237 Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) 111-76-2 IRIS Summary for Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) (PDF 31 pp, 0.30 M) Toxicological Review for Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) (PDF 206 pp, 3.65 M)  No 03/31/2010  Not Available
238 Ethylene oxide 75-21-8 IRIS Summary for Ethylene oxide (PDF 9 pp, 0.21 M) Toxicological Review for Ethylene oxide (PDF 228 pp, 1.85 M)
Ethylene oxide Support Documents
 No 12/16/2016  Not Available
239 Ethylene thiourea (ETU) 96-45-7 IRIS Summary for Ethylene thiourea (ETU) (PDF 10 pp, 105 K)  Not Available  Yes 05/01/1991  Not Available
240 Ethyleneimine 151-56-4 IRIS Summary for Ethyleneimine (PDF 4 pp, 84 K)  Not Available  Yes 04/01/1992  Not Available
241 Ethylphthalyl ethylglycolate (EPEG) 84-72-0 IRIS Summary for Ethylphthalyl ethylglycolate (EPEG) (PDF 6 pp, 86 K)  Not Available  No 01/31/1987  Not Available
242 Express 101200-48-0 IRIS Summary for Express (PDF 8 pp, 91 K)  Not Available  Yes 01/01/1989  Not Available
243 Fenamiphos 22224-92-6 IRIS Summary for Fenamiphos (PDF 7 pp, 89 K)  Not Available  Yes 09/30/1987 OPP RED for Fenamiphos (PDF 129 pp, 439 K)
244 Fluometuron 2164-17-2 IRIS Summary for Fluometuron (PDF 7 pp, 88 K)  Not Available  Yes 09/30/1987 OPP RED for Fluometuron (PDF 95 pp, 1.15 M)
245 Fluoranthene 206-44-0 IRIS Summary for Fluoranthene (PDF 12 pp, 109 K)  Not Available  No 12/01/1990  Not Available
246 Fluorene 86-73-7 IRIS Summary for Fluorene (PDF 11 pp, 106 K)  Not Available  No 12/01/1990  Not Available
247 Fluorine (soluble fluoride) 7782-41-4 IRIS Summary for Fluorine (soluble fluoride) (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987  Not Available
248 Fluridone 59756-60-4 IRIS Summary for Fluridone (PDF 7 pp, 89 K)  Not Available  Yes 08/22/1988 OPP RED for Fluridone (PDF 6 pp, 126 K)
249 Fluvalinate 69409-94-5 IRIS Summary for Fluvalinate (PDF 7 pp, 88 K)  Not Available  Yes 06/30/1988  Not Available
250 Fonofos 944-22-9 IRIS Summary for Fonofos (PDF 7 pp, 87 K)  Not Available  Yes 03/31/1987  Not Available
251 Formaldehyde 50-00-0 IRIS Summary for Formaldehyde (PDF 17 pp, 133 K)  Not Available Formaldehyde Support Documents  No 09/01/1990  Not Available
252 Formic acid 64-18-6 IRIS Summary for Formic acid (PDF 4 pp, 77 K)  Not Available  Yes 12/01/1990  Not Available
253 Furan 110-00-9 IRIS Summary for Furan (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
254 Furfural 98-01-1 IRIS Summary for Furfural (PDF 7 pp, 88 K)  Not Available  Yes 09/07/1988  Not Available
255 Furmecyclox 60568-05-0 IRIS Summary for Furmecyclox (PDF 8 pp, 94 K)  Not Available  Yes 09/07/1988  Not Available
256 Glycidaldehyde 765-34-4 IRIS Summary for Glycidaldehyde (PDF 15 pp, 121 K)  Not Available  No 08/01/1991  Not Available
257 Glyphosate 1071-83-6 IRIS Summary for Glyphosate (PDF 10 pp, 102 K)  Not Available  No 10/01/1989 OPP RED for Glyphosate (PDF 291 pp, 6.71 M)
258 Haloxyfop-methyl 69806-40-2 IRIS Summary for Haloxyfop-methyl (PDF 12 pp, 115 K)  Not Available  Yes 05/01/1990  Not Available
259 Heptachlor 76-44-8 IRIS Summary for Heptachlor (PDF 14 pp, 122 K)  Not Available  Yes 09/30/1987 OPP RED for Heptachlor (PDF 82 pp, 2.93 M)
260 Heptachlor epoxide 1024-57-3 IRIS Summary for Heptachlor epoxide (PDF 14 pp, 121 K)  Not Available  Yes 09/30/1987  Not Available
261 n-Heptane 142-82-5 IRIS Summary for n-Heptane (PDF 6 pp, 89 K)  Not Available  Yes 01/01/1993  Not Available
262 Hexabromobenzene 87-82-1 IRIS Summary for Hexabromobenzene (PDF 7 pp, 90 K)  Not Available  No 03/31/1987  Not Available
263 Hexabromodiphenyl ether 36483-60-0 IRIS Summary for Hexabromodiphenyl ether (PDF 6 pp, 82 K)  Not Available  Yes 08/01/1990  Not Available
264 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) 68631-49-2 IRIS Summary for 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) (PDF 15 pp, 166 K) Toxicological Review for 2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) (PDF 66 pp, 301 K)  No 06/30/2008  Not Available
265 Hexachlorobenzene 118-74-1 IRIS Summary for Hexachlorobenzene (PDF 16 pp, 129 K)  Not Available  Yes 03/01/1991  Not Available
266 Hexachlorobutadiene 87-68-3 IRIS Summary for Hexachlorobutadiene (PDF 9 pp, 100 K)  Not Available  No 05/01/1993  Not Available
267 alpha-Hexachlorocyclohexane (alpha-HCH) 319-84-6 IRIS Summary for alpha-Hexachlorocyclohexane (alpha-HCH) (PDF 10 pp, 104 K)  Not Available  Yes 03/31/1987  Not Available
268 beta-Hexachlorocyclohexane (beta-HCH) 319-85-7 IRIS Summary for beta-Hexachlorocyclohexane (beta-HCH) (PDF 9 pp, 98 K)  Not Available  Yes 09/30/1987  Not Available
269 delta-Hexachlorocyclohexane (delta-HCH) 319-86-8 IRIS Summary for delta-Hexachlorocyclohexane (delta-HCH) (PDF 6 pp, 85 K)  Not Available  Yes 03/31/1987  Not Available
270 epsilon-Hexachlorocyclohexane (epsilon-HC) 6108-10-7 IRIS Summary for epsilon-Hexachlorocyclohexane (epsilon-HC) (PDF 5 pp, 81 K)  Not Available  Yes 03/31/1987  Not Available
271 gamma-Hexachlorocyclohexane (gamma-HCH) 58-89-9 IRIS Summary for gamma-Hexachlorocyclohexane (gamma-HCH) (PDF 10 pp, 103 K)  Not Available  No 01/31/1987 OPP RED for gamma-Hexachlorocyclohexane (gamma-HCH) (PDF 20 pp, 2.26 M)
272 technical Hexachlorocyclohexane (t-HCH) 608-73-1 IRIS Summary for technical Hexachlorocyclohexane (t-HCH) (PDF 9 pp, 101 K)  Not Available  Yes 03/31/1987  Not Available
273 Hexachlorocyclopentadiene (HCCPD) 77-47-4 IRIS Summary for Hexachlorocyclopentadiene (HCCPD) (PDF 25 pp, 172 K) Toxicological Review for Hexachlorocyclopentadiene (HCCPD) (PDF 60 pp, 237 K)  Yes 07/05/2001  Not Available
274 Hexachlorodibenzo-p-dioxin (HxCDD), mixture of 1,2,3,6,7,8-HxCDD and 1,2,3,7,8,9-HxCDD 57653-85-7 IRIS Summary for Hexachlorodibenzo-p-dioxin (HxCDD), mixture of 1,2,3,6,7,8-HxCDD and 1,2,3,7,8,9-HxCDD (PDF 10 pp, 102 K)  Not Available  Yes 03/31/1987  Not Available
275 Hexachloroethane 67-72-1 IRIS Summary for Hexachloroethane (PDF 34 pp, 0.31 M) Toxicological Review for Hexachloroethane (PDF 200 pp, 1.61 M)  Yes 09/23/2011  Not Available
276 Hexachlorophene 70-30-4 IRIS Summary for Hexachlorophene (PDF 8 pp, 93 K)  Not Available  Yes 08/22/1988  Not Available
277 Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) 121-82-4 IRIS Summary for Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) (PDF 15 pp, 125 K)  Not Available  No 08/01/1990  Not Available
278 1,6-Hexamethylene diisocyanate 822-06-0 IRIS Summary for 1,6-Hexamethylene diisocyanate (PDF 14 pp, 126 K)  Not Available  Yes 09/01/1994  Not Available
279 n-Hexane 110-54-3 IRIS Summary for n-Hexane (PDF 28 pp, 0.19 M) Toxicological Review for n-Hexane (PDF 210 pp, 1.40 M)  Yes 12/23/2005  Not Available
280 2-Hexanone 591-78-6 IRIS Summary for 2-Hexanone (PDF 19 pp, 148 K) Toxicological Review for 2-Hexanone (PDF 136 pp, 964 K)  No 09/25/2009  Not Available
281 Hexazinone 51235-04-2 IRIS Summary for Hexazinone (PDF 7 pp, 87 K)  Not Available  Yes 09/30/1987 OPP RED for Hexazinone (PDF 4 pp, 17 K)
282 Hydrazine/Hydrazine sulfate 302-01-2 IRIS Summary for Hydrazine/Hydrazine sulfate (PDF 14 pp, 119 K)  Not Available  Yes 09/07/1988  Not Available
283 Hydrogen Cyanide and Cyanide Salts Various IRIS Summary for Hydrogen Cyanide and Cyanide Salts (PDF 27 pp, 243 K) Toxicological Review for Hydrogen Cyanide and Cyanide Salts (PDF 153 pp, 905 K)  No 09/28/2010  Not Available
284 Hydrogen chloride 7647-01-0 IRIS Summary for Hydrogen chloride (PDF 10 pp, 102 K)  Not Available  Yes 07/01/1995  Not Available
285 Hydrogen sulfide 7783-06-4 IRIS Summary for Hydrogen sulfide (PDF 18 pp, 0.14 M) Toxicological Review for Hydrogen sulfide (PDF 74 pp, 1.44 M)  No 07/28/2003  Not Available
286 Hydroquinone 123-31-9 IRIS Summary for Hydroquinone (PDF 5 pp, 86 K)  Not Available  Yes 10/01/1990  Not Available
287 Imazaquin 81335-37-7 IRIS Summary for Imazaquin (PDF 7 pp, 86 K)  Not Available  Yes 01/31/1987 OPP RED for Imazaquin (PDF 9 pp, 141 K)
288 Indeno[1,2,3-cd]pyrene 193-39-5 IRIS Summary for Indeno[1,2,3-cd]pyrene (PDF 9 pp, 102 K)  Not Available  No 12/01/1990  Not Available
289 Iprodione 36734-19-7 IRIS Summary for Iprodione (PDF 7 pp, 88 K)  Not Available  Yes 06/30/1988 OPP RED for Iprodione (PDF 289 pp, 1.09 M)
290 Isobutyl alcohol 78-83-1 IRIS Summary for Isobutyl alcohol (PDF 7 pp, 90 K)  Not Available  Yes 03/31/1987  Not Available
291 Isophorone 78-59-1 IRIS Summary for Isophorone (PDF 15 pp, 125 K)  Not Available  Yes 10/01/1992  Not Available
292 Isopropalin 33820-53-0 IRIS Summary for Isopropalin (PDF 7 pp, 88 K)  Not Available  Yes 01/31/1987  Not Available
293 Isopropyl methyl phosphonic acid (IMPA) 1832-54-8 IRIS Summary for Isopropyl methyl phosphonic acid (IMPA) (PDF 12 pp, 118 K)  Not Available  No 06/01/1992  Not Available
294 Isoxaben 82558-50-7 IRIS Summary for Isoxaben (PDF 12 pp, 110 K)  Not Available  Yes 09/01/1991  Not Available
295 Lead and compounds (inorganic) 7439-92-1 IRIS Summary for Lead and compounds (inorganic) (PDF 15 pp, 128 K)  Not Available  Yes 07/08/2004  Not Available
296 Libby Amphibole asbestos IRIS Summary for Libby Amphibole asbestos (PDF 36 pp, 0.36 M) Toxicological Review for Libby Amphibole asbestos (PDF 685 pp, 8.45 M)
Libby Amphibole asbestos Support Documents
 No 12/08/2014  Not Available
297 d-Limonene 5989-27-5 IRIS Summary for d-Limonene (PDF 8 pp, 92 K)  Not Available  Yes 12/01/1993 OPP RED for d-Limonene (PDF 46 pp, 767 K)
298 Londax 83055-99-6 IRIS Summary for Londax (PDF 8 pp, 91 K)  Not Available  Yes 09/07/1988  Not Available
299 Malathion 121-75-5 IRIS Summary for Malathion (PDF 8 pp, 93 K)  Not Available  Yes 09/30/1987 OPP RED for Malathion (PDF 195 pp, 3.08 M)
300 Maleic anhydride 108-31-6 IRIS Summary for Maleic anhydride (PDF 8 pp, 91 K)  Not Available  Yes 08/22/1988  Not Available
301 Maleic hydrazide 123-33-1 IRIS Summary for Maleic hydrazide (PDF 7 pp, 90 K)  Not Available  Yes 03/31/1987 OPP RED for Maleic hydrazide (PDF 6 pp, 94 K)
302 Maneb 12427-38-2 IRIS Summary for Maneb (PDF 8 pp, 93 K)  Not Available  Yes 09/07/1988 OPP RED for Maneb (PDF 97 pp, 442 K)
303 Manganese 7439-96-5 IRIS Summary for Manganese (PDF 48 pp, 265 K)  Not Available  Yes 11/01/1995  Not Available
304 Mepiquat chloride 24307-26-4 IRIS Summary for Mepiquat chloride (PDF 7 pp, 87 K)  Not Available  Yes 08/22/1988 OPP RED for Mepiquat chloride (PDF 135 pp, 492 K)
305 Mercuric chloride (HgCl2) 7487-94-7 IRIS Summary for Mercuric chloride (HgCl2) (PDF 21 pp, 156 K)  Not Available  Yes 05/01/1995  Not Available
306 Mercury, elemental 7439-97-6 IRIS Summary for Mercury, elemental (PDF 28 pp, 177 K)  Not Available  Yes 06/01/1995  Not Available
307 Merphos 150-50-5 IRIS Summary for Merphos (PDF 8 pp, 92 K)  Not Available  Yes 11/01/1992  Not Available
308 Metalaxyl 57837-19-1 IRIS Summary for Metalaxyl (PDF 8 pp, 92 K)  Not Available  Yes 01/31/1987 OPP RED for Metalaxyl (PDF 335 pp, 157 K)
309 Methacrylonitrile 126-98-7 IRIS Summary for Methacrylonitrile (PDF 7 pp, 88 K)  Not Available  Yes 09/07/1988  Not Available
310 Methamidophos 10265-92-6 IRIS Summary for Methamidophos (PDF 7 pp, 88 K)  Not Available  Yes 09/30/1987 OPP RED for Methamidophos (PDF 139 pp, 1.17 M)
311 Methanol 67-56-1 IRIS Summary for Methanol (PDF 6 pp, 0.09 M) Toxicological Review for Methanol (PDF 212 pp, 3.46 M)  No 09/30/2013  Not Available
312 Methomyl 16752-77-5 IRIS Summary for Methomyl (PDF 8 pp, 93 K)  Not Available  Yes 01/31/1987 OPP RED for Methomyl (PDF 266 pp, 855 K)
313 Methoxychlor 72-43-5 IRIS Summary for Methoxychlor (PDF 26 pp, 168 K)  Not Available  Yes 12/01/1993 OPP RED for Methoxychlor (PDF 88 pp, 1.15 M)
314 2-Methoxyethanol 109-86-4 IRIS Summary for 2-Methoxyethanol (PDF 13 pp, 124 K)  Not Available  Yes 05/01/1991  Not Available
315 Methyl acrylate 96-33-3 IRIS Summary for Methyl acrylate (PDF 7 pp, 88 K)  Not Available  Yes 12/01/1990  Not Available
316 Methyl chloride 74-87-3 IRIS Summary for Methyl chloride (PDF 23 pp, 165 K) Toxicological Review for Methyl chloride (PDF 95 pp, 337 K)  Yes 07/17/2001  Not Available
317 Methyl chlorocarbonate 79-22-1 IRIS Summary for Methyl chlorocarbonate (PDF 4 pp, 77 K)  Not Available  No 05/01/1989  Not Available
318 Methyl ethyl ketone (MEK) 78-93-3 IRIS Summary for Methyl ethyl ketone (MEK) (PDF 33 pp, 211 K) Toxicological Review for Methyl ethyl ketone (MEK) (PDF 152 pp, 570 K)  No 09/26/2003  Not Available
319 Methyl iodide 74-88-4 IRIS Summary for Methyl iodide (PDF 4 pp, 81 K)  Not Available  No 09/01/1992  Not Available
320 Methyl isobutyl ketone (MIBK) 108-10-1 IRIS Summary for Methyl isobutyl ketone (MIBK) (PDF 23 pp, 162 K) Toxicological Review for Methyl isobutyl ketone (MIBK) (PDF 68 pp, 547 K)  No 04/25/2003  Not Available
321 Methyl isocyanate 624-83-9 IRIS Summary for Methyl isocyanate (PDF 4 pp, 85 K)  Not Available  Yes 03/01/1991  Not Available
322 Methyl methacrylate 80-62-6 IRIS Summary for Methyl methacrylate (PDF 31 pp, 204 K) Toxicological Review for Methyl methacrylate (PDF 83 pp, 275 K)  No 03/02/1998  Not Available
323 Methyl parathion 298-00-0 IRIS Summary for Methyl parathion (PDF 9 pp, 94 K)  Not Available  No 03/31/1987 OPP RED for Methyl parathion (PDF 88 pp, 990 K)
324 Methyl tert-butyl ether (MTBE) 1634-04-4 IRIS Summary for Methyl tert-butyl ether (MTBE) (PDF 25 pp, 170 K)  Not Available  No 09/01/1993  Not Available
325 2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP) 93-65-2 IRIS Summary for 2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP) (PDF 8 pp, 93 K)  Not Available  Yes 01/01/1989 OPP RED for 2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP) (PDF 92 pp, 1.36 M)
326 2-Methyl-4-chlorophenoxyacetic acid (MCPA) 94-74-6 IRIS Summary for 2-Methyl-4-chlorophenoxyacetic acid (MCPA) (PDF 9 pp, 97 K)  Not Available  Yes 08/28/1987 OPP RED for 2-Methyl-4-chlorophenoxyacetic acid (MCPA) (PDF 245 pp, 3.72 M)
327 Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) 101-68-8 IRIS Summary for Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (PDF 23 pp, 170 K) Toxicological Review for Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) (PDF 54 pp, 154 K)  Yes 02/07/1998  Not Available
328 4,4'-Methylene bis(N,N'-dimethyl)aniline 101-61-1 IRIS Summary for 4,4'-Methylene bis(N,N'-dimethyl)aniline (PDF 10 pp, 104 K)  Not Available  No 08/01/1989  Not Available
329 Methylmercury (MeHg) 22967-92-6 IRIS Summary for Methylmercury (MeHg) (PDF 44 pp, 258 K)  Not Available Methylmercury (MeHg) Support Documents  Yes 07/27/2001  Not Available
330 2-Methylnaphthalene 91-57-6 IRIS Summary for 2-Methylnaphthalene (PDF 21 pp, 158 K) Toxicological Review for 2-Methylnaphthalene (PDF 97 pp, 242 K)  No 12/22/2003  Not Available
331 2-Methylphenol 95-48-7 IRIS Summary for 2-Methylphenol (PDF 16 pp, 126 K)  Not Available  Yes 04/01/1992  Not Available
332 3-Methylphenol 108-39-4 IRIS Summary for 3-Methylphenol (PDF 16 pp, 125 K)  Not Available  Yes 04/01/1992 OPP RED for 3-Methylphenol (PDF 165 pp, 1.01 M)
333 4-Methylphenol 106-44-5 IRIS Summary for 4-Methylphenol (PDF 13 pp, 114 K)  Not Available  Yes 04/01/1992  Not Available
334 Metolachlor 51218-45-2 IRIS Summary for Metolachlor (PDF 12 pp, 116 K)  Not Available  No 10/01/1990 OPP RED for Metolachlor (PDF 40 pp, 100 K)
335 Metribuzin 21087-64-9 IRIS Summary for Metribuzin (PDF 14 pp, 117 K)  Not Available  Yes 12/01/1993 OPP RED for Metribuzin (PDF 230 pp, 740 K)
336 Mirex 2385-85-5 IRIS Summary for Mirex (PDF 17 pp, 133 K)  Not Available  No 10/01/1992  Not Available
337 Molinate 2212-67-1 IRIS Summary for Molinate (PDF 7 pp, 88 K)  Not Available  Yes 09/26/1988 OPP RED for Molinate (PDF 1 pp, 1 K)
338 Molybdenum 7439-98-7 IRIS Summary for Molybdenum (PDF 11 pp, 106 K)  Not Available  Yes 11/01/1992  Not Available
339 Monochloramine 10599-90-3 IRIS Summary for Monochloramine (PDF 19 pp, 149 K)  Not Available  No 03/01/1994  Not Available
340 Naled 300-76-5 IRIS Summary for Naled (PDF 7 pp, 90 K)  Not Available  Yes 03/31/1987 OPP RED for Naled (PDF 152 pp, 2.41 M)
341 Naphthalene 91-20-3 IRIS Summary for Naphthalene (PDF 32 pp, 102 K) Toxicological Review for Naphthalene (PDF 116 pp, 565 K)  No 09/17/1998  Not Available
342 Nickel carbonyl 13463-39-3 IRIS Summary for Nickel carbonyl (PDF 7 pp, 88 K)  Not Available  Yes 09/30/1987  Not Available
343 Nickel refinery dust IRIS Summary for Nickel refinery dust (PDF 10 pp, 104 K)  Not Available  No 09/30/1987  Not Available
344 Nickel subsulfide 12035-72-2 IRIS Summary for Nickel subsulfide (PDF 11 pp, 109 K)  Not Available  Yes 09/30/1987  Not Available
345 Nickel, soluble salts IRIS Summary for Nickel, soluble salts (PDF 13 pp, 118 K)  Not Available  No 08/01/1994  Not Available
346 Nitrapyrin 1929-82-4 IRIS Summary for Nitrapyrin (PDF 4 pp, 76 K)  Not Available  Yes 07/01/1992 OPP RED for Nitrapyrin (PDF 88 pp, 1.28 M)
347 Nitrate 14797-55-8 IRIS Summary for Nitrate (PDF 12 pp, 106 K)  Not Available  Yes 05/01/1991 OPP RED for Nitrate (PDF 36 pp, 297 K)
348 Nitric oxide 10102-43-9 IRIS Summary for Nitric oxide (PDF 5 pp, 80 K)  Not Available  Yes 09/01/1994  Not Available
349 Nitrite 14797-65-0 IRIS Summary for Nitrite (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987  Not Available
350 Nitrobenzene 98-95-3 IRIS Summary for Nitrobenzene (PDF 30 pp, 0.26 M) Toxicological Review for Nitrobenzene (PDF 250 pp, 3.83 M)  No 02/06/2009  Not Available
351 Nitrogen dioxide 10102-44-0 IRIS Summary for Nitrogen dioxide (PDF 5 pp, 82 K)  Not Available  Yes 09/01/1994  Not Available
352 Nitroguanidine 556-88-7 IRIS Summary for Nitroguanidine (PDF 11 pp, 107 K)  Not Available  Yes 09/01/1990  Not Available
353 p-Nitrophenol 100-02-7 IRIS Summary for p-Nitrophenol (PDF 5 pp, 87 K)  Not Available  Yes 10/01/1991 OPP RED for p-Nitrophenol (PDF 64 pp, 187 K)
354 2-Nitropropane 79-46-9 IRIS Summary for 2-Nitropropane (PDF 10 pp, 110 K)  Not Available  Yes 03/01/1991  Not Available
355 N-Nitroso-N-methylethylamine 10595-95-6 IRIS Summary for N-Nitroso-N-methylethylamine (PDF 9 pp, 96 K)  Not Available  Yes 03/01/1988  Not Available
356 N-Nitroso-di-n-butylamine 924-16-3 IRIS Summary for N-Nitroso-di-n-butylamine (PDF 10 pp, 101 K)  Not Available  Yes 01/31/1987  Not Available
357 N-Nitrosodi-N-propylamine 621-64-7 IRIS Summary for N-Nitrosodi-N-propylamine (PDF 11 pp, 104 K)  Not Available  Yes 03/31/1987  Not Available
358 N-Nitrosodiethanolamine 1116-54-7 IRIS Summary for N-Nitrosodiethanolamine (PDF 9 pp, 98 K)  Not Available  Yes 09/30/1987  Not Available
359 N-Nitrosodiethylamine 55-18-5 IRIS Summary for N-Nitrosodiethylamine (PDF 11 pp, 106 K)  Not Available  Yes 01/31/1987  Not Available
360 N-Nitrosodimethylamine 62-75-9 IRIS Summary for N-Nitrosodimethylamine (PDF 11 pp, 105 K)  Not Available  Yes 01/31/1987  Not Available
361 N-Nitrosodiphenylamine 86-30-6 IRIS Summary for N-Nitrosodiphenylamine (PDF 10 pp, 102 K)  Not Available  Yes 03/31/1987  Not Available
362 N-Nitrosopyrrolidine 930-55-2 IRIS Summary for N-Nitrosopyrrolidine (PDF 10 pp, 102 K)  Not Available  Yes 01/31/1987  Not Available
363 Nonabromodiphenyl ether 63936-56-1 IRIS Summary for Nonabromodiphenyl ether (PDF 5 pp, 87 K)  Not Available  Yes 08/01/1990  Not Available
364 Octabromodiphenyl ether 32536-52-0 IRIS Summary for Octabromodiphenyl ether (PDF 8 pp, 93 K)  Not Available  Yes 08/01/1990  Not Available
365 Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) 2691-41-0 IRIS Summary for Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) (PDF 11 pp, 107 K)  Not Available  Yes 03/01/1989  Not Available
366 Oxadiazon 19666-30-9 IRIS Summary for Oxadiazon (PDF 7 pp, 87 K)  Not Available  Yes 09/30/1987 OPP RED for Oxadiazon (PDF 107 pp, 195 K)
367 Oxamyl 23135-22-0 IRIS Summary for Oxamyl (PDF 7 pp, 88 K)  Not Available  Yes 03/31/1987 OPP RED for Oxamyl (PDF 159 pp, 1.48 M)
368 Paclobutrazol 76738-62-0 IRIS Summary for Paclobutrazol (PDF 7 pp, 87 K)  Not Available  Yes 03/31/1987  Not Available
369 Paraquat 1910-42-5 IRIS Summary for Paraquat (PDF 12 pp, 107 K)  Not Available  Yes 08/22/1988 OPP RED for Paraquat (PDF 267 pp, 729 K)
370 Parathion 56-38-2 IRIS Summary for Parathion (PDF 10 pp, 100 K)  Not Available  Yes 08/22/1988 OPP RED for Parathion (PDF 6 pp, 24 K)
371 Pentabromodiphenyl ether 32534-81-9 IRIS Summary for Pentabromodiphenyl ether (PDF 9 pp, 96 K)  Not Available  Yes 08/01/1990  Not Available
372 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) 60348-60-9 IRIS Summary for 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) (PDF 20 pp, 0.16 M) Toxicological Review for 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) (PDF 128 pp, 1.37 M)  No 06/30/2008  Not Available
373 Pentachlorobenzene 608-93-5 IRIS Summary for Pentachlorobenzene (PDF 10 pp, 101 K)  Not Available  Yes 11/01/1992  Not Available
374 Pentachlorocyclopentadiene 25329-35-5 IRIS Summary for Pentachlorocyclopentadiene (PDF 5 pp, 81 K)  Not Available  No 03/01/1990  Not Available
375 Pentachloronitrobenzene (PCNB) 82-68-8 IRIS Summary for Pentachloronitrobenzene (PCNB) (PDF 7 pp, 89 K)  Not Available  Yes 09/30/1987 OPP RED for Pentachloronitrobenzene (PCNB) (PDF 127 pp, 2.77 M)
376 Pentachlorophenol 87-86-5 IRIS Summary for Pentachlorophenol (PDF 27 pp, 0.26 M) Toxicological Review for Pentachlorophenol (PDF 288 pp, 2.23 M)  No 09/30/2010  Not Available
377 Pentafluoroethane 354-33-6 IRIS Summary for Pentafluoroethane (PDF 7 pp, 94 K)  Not Available  Yes 12/01/1993  Not Available
378 Perchlorate (ClO4) and Perchlorate Salts 7790-98-9 IRIS Summary for Perchlorate (ClO4) and Perchlorate Salts (PDF 22 pp, 157 K)  Not Available Perchlorate (ClO4) and Perchlorate Salts Support Documents  No 02/18/2005  Not Available
379 Permethrin 52645-53-1 IRIS Summary for Permethrin (PDF 7 pp, 88 K)  Not Available  Yes 03/31/1987 OPP RED for Permethrin (PDF 195 pp, 3.21 M)
380 Phenanthrene 85-01-8 IRIS Summary for Phenanthrene (PDF 11 pp, 103 K)  Not Available  No 12/01/1990  Not Available
381 Phenol 108-95-2 IRIS Summary for Phenol (PDF 31 pp, 0.19 M) Toxicological Review for Phenol (PDF 213 pp, 2.96 M)  Yes 09/30/2002  Not Available
382 m-Phenylenediamine 108-45-2 IRIS Summary for m-Phenylenediamine (PDF 7 pp, 87 K)  Not Available  Yes 01/31/1987  Not Available
383 Phenylmercuric acetate 62-38-4 IRIS Summary for Phenylmercuric acetate (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987  Not Available
384 Phosalone 2310-17-0 IRIS Summary for Phosalone (PDF 4 pp, 77 K)  Not Available  No 12/01/1988 OPP RED for Phosalone (PDF 44 pp, 386 K)
385 Phosgene 75-44-5 IRIS Summary for Phosgene (PDF 22 pp, 166 K) Toxicological Review for Phosgene (PDF 102 pp, 614 K)  No 01/31/2006  Not Available
386 Phosmet 732-11-6 IRIS Summary for Phosmet (PDF 8 pp, 91 K)  Not Available  Yes 01/31/1987 OPP RED for Phosmet (PDF 135 pp, 1.71 M)
387 Phosphine 7803-51-2 IRIS Summary for Phosphine (PDF 146 pp, 20 K)  Not Available  Yes 07/01/1995  Not Available
388 Phosphoric acid 7664-38-2 IRIS Summary for Phosphoric acid (PDF 17 pp, 137 K)  Not Available  No 08/01/1995 OPP RED for Phosphoric acid (PDF 324 pp, 7.71 M)
389 Phthalic anhydride 85-44-9 IRIS Summary for Phthalic anhydride (PDF 7 pp, 88 K)  Not Available  Yes 09/07/1988  Not Available
390 Picloram 1918-02-1 IRIS Summary for Picloram (PDF 7 pp, 88 K)  Not Available  Yes 09/30/1987 OPP RED for Picloram (PDF 301 pp, 877 K)
391 Polychlorinated biphenyls (PCBs) 1336-36-3 IRIS Summary for Polychlorinated biphenyls (PCBs) (PDF 22 pp, 150 K)  Not Available  No 10/01/1996  Not Available
392 Potassium cyanide 151-50-8 IRIS Summary for Potassium cyanide (PDF 27 pp, 243 K) Toxicological Review for Potassium cyanide (PDF 153 pp, 910 K)  Yes 09/28/2010  Not Available
393 Potassium silver cyanide 506-61-6 IRIS Summary for Potassium silver cyanide (PDF 27 pp, 243 K) Toxicological Review for Potassium silver cyanide (PDF 153 pp, 910 K)  Yes 09/28/2010  Not Available
394 Prochloraz 67747-09-5 IRIS Summary for Prochloraz (PDF 13 pp, 114 K)  Not Available  Yes 10/01/1989  Not Available
395 Prometon 1610-18-0 IRIS Summary for Prometon (PDF 7 pp, 88 K)  Not Available  Yes 01/31/1987  Not Available
396 Pronamide 23950-58-5 IRIS Summary for Pronamide (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987 OPP RED for Pronamide (PDF 55 pp, 295 K)
397 Propachlor 1918-16-7 IRIS Summary for Propachlor (PDF 7 pp, 88 K)  Not Available  No 01/31/1987 OPP RED for Propachlor (PDF 249 pp, 819 K)
398 Propanil 709-98-8 IRIS Summary for Propanil (PDF 7 pp, 89 K)  Not Available  Yes 03/01/1988 OPP RED for Propanil (PDF 145 pp, 1.65 M)
399 Propargyl alcohol 107-19-7 IRIS Summary for Propargyl alcohol (PDF 6 pp, 94 K)  Not Available  Yes 11/01/1990  Not Available
400 Propazine 139-40-2 IRIS Summary for Propazine (PDF 7 pp, 88 K)  Not Available  Yes 08/28/1987 OPP RED for Propazine (PDF 10 pp, 83 K)
401 Propham 122-42-9 IRIS Summary for Propham (PDF 6 pp, 86 K)  Not Available  Yes 09/30/1987  Not Available
402 beta-Propiolactone 57-57-8 IRIS Summary for beta-Propiolactone (PDF 5 pp, 88 K)  Not Available  Yes 07/01/1991  Not Available
403 Propionaldehyde 123-38-6 IRIS Summary for Propionaldehyde (PDF 18 pp, 198 K) Toxicological Review for Propionaldehyde (PDF 78 pp, 559 K)  No 09/30/2008  Not Available
404 Propylene glycol 57-55-6 IRIS Summary for Propylene glycol (PDF 5 pp, 89 K)  Not Available  Yes 06/01/1991 OPP RED for Propylene glycol (PDF 79 pp, 2.23 M)
405 Propylene glycol monoethyl ether 52125-53-8 IRIS Summary for Propylene glycol monoethyl ether (PDF 4 pp, 84 K)  Not Available  No 06/01/1991  Not Available
406 Propylene glycol monomethyl ether (PGME) 107-98-2 IRIS Summary for Propylene glycol monomethyl ether (PGME) (PDF 11 pp, 106 K)  Not Available  Yes 07/01/1991  Not Available
407 Propylene oxide 75-56-9 IRIS Summary for Propylene oxide (PDF 22 pp, 157 K)  Not Available  Yes 11/01/1990 OPP RED for Propylene oxide (PDF 192 pp, 1.5 M)
408 Propyleneimine 75-55-8 IRIS Summary for Propyleneimine (PDF 4 pp, 82 K)  Not Available  Yes 01/01/1992  Not Available
409 Pydrin 51630-58-1 IRIS Summary for Pydrin (PDF 9 pp, 95 K)  Not Available  Yes 03/31/1987  Not Available
410 Pyrene 129-00-0 IRIS Summary for Pyrene (PDF 13 pp, 119 K)  Not Available  No 09/01/1990  Not Available
411 Pyridine 110-86-1 IRIS Summary for Pyridine (PDF 7 pp, 94 K)  Not Available  Yes 09/30/1987  Not Available
412 Quinalphos 13593-03-8 IRIS Summary for Quinalphos (PDF 7 pp, 87 K)  Not Available  Yes 03/31/1987  Not Available
413 Quinoline 91-22-5 IRIS Summary for Quinoline (PDF 23 pp, 158 K) Toxicological Review for Quinoline (PDF 40 pp, 163 K)  No 09/27/2001  Not Available
414 Quinone 106-51-4 IRIS Summary for Quinone (PDF 5 pp, 86 K)  Not Available  Yes 10/01/1990  Not Available
415 Radium 226,228 Various IRIS Summary for Radium 226,228 (PDF 4 pp, 76 K)  Not Available  Yes 01/01/1989  Not Available
416 Radon 222 14859-67-7 IRIS Summary for Radon 222 (PDF 4 pp, 78 K)  Not Available  Yes 07/01/1989  Not Available
417 Refractory ceramic fibers IRIS Summary for Refractory ceramic fibers (PDF 10 pp, 180 K)  Not Available  No 09/01/1992  Not Available
418 Resmethrin 10453-86-8 IRIS Summary for Resmethrin (PDF 7 pp, 89 K)  Not Available  Yes 09/26/1988 OPP RED for Resmethrin (PDF 102 pp, 2.07 M)
419 Rotenone 83-79-4 IRIS Summary for Rotenone (PDF 7 pp, 89 K)  Not Available  Yes 09/07/1988 OPP RED for Rotenone (PDF 44 pp, 332 K)
420 Savey 78587-05-0 IRIS Summary for Savey (PDF 7 pp, 89 K)  Not Available  Yes 09/26/1988  Not Available
421 Selenious acid 7783-00-8 IRIS Summary for Selenious acid (PDF 24 pp, 159 K)  Not Available  No 06/01/1991  Not Available
422 Selenium and Compounds 7782-49-2 IRIS Summary for Selenium and Compounds (PDF 24 pp, 166 K)  Not Available  Yes 06/01/1991  Not Available
423 Selenium sulfide 7446-34-6 IRIS Summary for Selenium sulfide (PDF 12 pp, 109 K)  Not Available  Yes 03/01/1991  Not Available
424 Selenourea 630-10-4 IRIS Summary for Selenourea (PDF 4 pp, 76 K)  Not Available  No 05/01/1991  Not Available
425 Silver 7440-22-4 IRIS Summary for Silver (PDF 14 pp, 120 K)  Not Available  Yes 12/01/1991 OPP RED for Silver (PDF 148 pp, 3.15 M)
426 Silver cyanide 506-64-9 IRIS Summary for Silver cyanide (PDF 8 pp, 94 K)  Not Available  No 01/31/1987  Not Available
427 Simazine 122-34-9 IRIS Summary for Simazine (PDF 12 pp, 115 K)  Not Available  Yes 09/01/1993 OPP RED for Simazine (PDF 267 pp, 4.2 M)
428 Sodium azide 26628-22-8 IRIS Summary for Sodium azide (PDF 7 pp, 88 K)  Not Available  Yes 03/31/1987  Not Available
429 Sodium cyanide 143-33-9 IRIS Summary for Sodium cyanide (PDF 27 pp, 243 K) Toxicological Review for Sodium cyanide (PDF 153 pp, 905 K)  Yes 09/28/2010 OPP RED for Sodium cyanide (PDF 7 pp, 121 K)
430 Sodium diethyldithiocarbamate 148-18-5 IRIS Summary for Sodium diethyldithiocarbamate (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
431 Sodium fluoroacetate 62-74-8 IRIS Summary for Sodium fluoroacetate (PDF 9 pp, 107 K)  Not Available  Yes 05/01/1991 OPP RED for Sodium fluoroacetate (PDF 98 pp, 599 K)
432 Strontium 7440-24-6 IRIS Summary for Strontium (PDF 11 pp, 114 K)  Not Available  Yes 10/01/1992  Not Available
433 Strychnine 57-24-9 IRIS Summary for Strychnine (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987 OPP RED for Strychnine (PDF 152 pp, 483 K)
434 Styrene 100-42-5 IRIS Summary for Styrene (PDF 26 pp, 169 K)  Not Available  No 11/01/1992  Not Available
435 Systhane 88671-89-0 IRIS Summary for Systhane (PDF 8 pp, 91 K)  Not Available  Yes 09/26/1988  Not Available
436 Tebuthiuron 34014-18-1 IRIS Summary for Tebuthiuron (PDF 7 pp, 88 K)  Not Available  Yes 08/22/1988 OPP RED for Tebuthiuron (PDF 4 pp, 15 K)
437 Terbacil 5902-51-2 IRIS Summary for Terbacil (PDF 8 pp, 90 K)  Not Available  Yes 01/31/1987 OPP RED for Terbacil (PDF 206 pp, 752 K)
438 Terbutryn 886-50-0 IRIS Summary for Terbutryn (PDF 7 pp, 88 K)  Not Available  Yes 09/26/1988  Not Available
439 Tetrabromodiphenyl ether 40088-47-9 IRIS Summary for Tetrabromodiphenyl ether (PDF 5 pp, 87 K)  Not Available  Yes 08/01/1990  Not Available
440 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) 5436-43-1 IRIS Summary for 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) (PDF 14 pp, 128 K) Toxicological Review for 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) (PDF 85 pp, 380 K)  No 06/30/2008  Not Available
441 1,2,4,5-Tetrachlorobenzene 95-94-3 IRIS Summary for 1,2,4,5-Tetrachlorobenzene (PDF 7 pp, 90 K)  Not Available  Yes 01/31/1987  Not Available
442 Tetrachlorocyclopentadiene 695-77-2 IRIS Summary for Tetrachlorocyclopentadiene (PDF 6 pp, 83 K)  Not Available  No 03/01/1990  Not Available
443 2,3,7,8-Tetrachlorodibenzo-p-dioxin 1746-01-6 IRIS Summary for 2,3,7,8-Tetrachlorodibenzo-p-dioxin (PDF 16 pp, 150 K)  Not Available 2,3,7,8-Tetrachlorodibenzo-p-dioxin Support Documents  No 02/17/2012  Not Available
444 1,1,1,2-Tetrachloroethane 630-20-6 IRIS Summary for 1,1,1,2-Tetrachloroethane (PDF 13 pp, 117 K)  Not Available  No 03/01/1989  Not Available
445 1,1,2,2-Tetrachloroethane 79-34-5 IRIS Summary for 1,1,2,2-Tetrachloroethane (PDF 29 pp, 250 K) Toxicological Review for 1,1,2,2-Tetrachloroethane (PDF 153 pp, 907 K)  Yes 09/30/2010  Not Available
446 Tetrachloroethylene 127-18-4 IRIS Summary for Tetrachloroethylene (PDF 38 pp, 0.35 M) Toxicological Review for Tetrachloroethylene (PDF 1,077 pp, 144.20 M)
Tetrachloroethylene Support Documents
 No 02/10/2012  Not Available
447 2,3,4,6-Tetrachlorophenol 58-90-2 IRIS Summary for 2,3,4,6-Tetrachlorophenol (PDF 8 pp, 93 K)  Not Available  Yes 03/01/1988  Not Available
448 Tetrachlorovinphos 961-11-5 IRIS Summary for Tetrachlorovinphos (PDF 7 pp, 86 K)  Not Available  Yes 03/31/1987 OPP RED for Tetrachlorovinphos (PDF 185 pp, 1.13 M)
449 Tetraethyl lead 78-00-2 IRIS Summary for Tetraethyl lead (PDF 6 pp, 85 K)  Not Available  Yes 01/31/1987  Not Available
450 Tetraethyldithiopyrophosphate 3689-24-5 IRIS Summary for Tetraethyldithiopyrophosphate (PDF 6 pp, 86 K)  Not Available  Yes 09/07/1988 OPP RED for Tetraethyldithiopyrophosphate (PDF 32 pp, 76 K)
451 1,1,1,2-Tetrafluoroethane 811-97-2 IRIS Summary for 1,1,1,2-Tetrafluoroethane (PDF 13 pp, 121 K)  Not Available  Yes 08/01/1995  Not Available
452 Tetrahydrofuran 109-99-9 IRIS Summary for Tetrahydrofuran (PDF 26 pp, 0.24 M) Toxicological Review for Tetrahydrofuran (PDF 207 pp, 1.22 M)  No 02/21/2012  Not Available
453 Thallium (I), soluble salts Various IRIS Summary for Thallium (I), soluble salts (PDF 17 pp, 0.14 M) Toxicological Review for Thallium (I), soluble salts (PDF 165 pp, 1.00 M)  No 09/30/2009  Not Available
454 Thallium acetate 563-68-8 IRIS Summary for Thallium acetate (PDF 17 pp, 0.14 M) Toxicological Review for Thallium acetate (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
455 Thallium carbonate 6533-73-9 IRIS Summary for Thallium carbonate (PDF 17 pp, 0.14 M) Toxicological Review for Thallium carbonate (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
456 Thallium chloride 7791-12-0 IRIS Summary for Thallium chloride (PDF 17 pp, 0.14 M) Toxicological Review for Thallium chloride (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
457 Thallium nitrate 10102-45-1 IRIS Summary for Thallium nitrate (PDF 17 pp, 0.14 M) Toxicological Review for Thallium nitrate (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
458 Thallium oxide 1314-32-5 IRIS Summary for Thallium oxide (PDF 16 pp, 0.18 M) Toxicological Review for Thallium oxide (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
459 Thallium selenite 12039-52-0 IRIS Summary for Thallium selenite (PDF 15 pp, 0.13 M) Toxicological Review for Thallium selenite (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
460 Thallium(I) sulfate 7446-18-6 IRIS Summary for Thallium(I) sulfate (PDF 17 pp, 0.14 M) Toxicological Review for Thallium(I) sulfate (PDF 165 pp, 1.00 M)  Yes 09/30/2009  Not Available
461 Thiobencarb 28249-77-6 IRIS Summary for Thiobencarb (PDF 7 pp, 88 K)  Not Available  Yes 09/30/1987 OPP RED for Thiobencarb (PDF 234 pp, 884 K)
462 Toluene 108-88-3 IRIS Summary for Toluene (PDF 35 pp, 0.23 M) Toxicological Review for Toluene (PDF 179 pp, 1.80 M)  No 09/23/2005  Not Available
463 2,4-/2,6-Toluene diisocyanate mixture (TDI) 26471-62-5 IRIS Summary for 2,4-/2,6-Toluene diisocyanate mixture (TDI) (PDF 25 pp, 172 K)  Not Available  Yes 09/01/1995  Not Available
464 Toxaphene 8001-35-2 IRIS Summary for Toxaphene (PDF 9 pp, 97 K)  Not Available  Yes 08/22/1988  Not Available
465 Tralomethrin 66841-25-6 IRIS Summary for Tralomethrin (PDF 8 pp, 91 K)  Not Available  Yes 07/01/1989  Not Available
466 Triasulfuron 82097-50-5 IRIS Summary for Triasulfuron (PDF 8 pp, 94 K)  Not Available  Yes 01/01/1991  Not Available
467 1,2,4-Tribromobenzene 615-54-3 IRIS Summary for 1,2,4-Tribromobenzene (PDF 6 pp, 85 K)  Not Available  No 03/31/1987  Not Available
468 Tribromochloromethane 594-15-0 IRIS Summary for Tribromochloromethane (PDF 5 pp, 87 K)  Not Available  No 03/01/1991  Not Available
469 Tribromodiphenyl ether 49690-94-0 IRIS Summary for Tribromodiphenyl ether (PDF 5 pp, 87 K)  Not Available  Yes 08/01/1990  Not Available
470 Tributyltin oxide (TBTO) 56-35-9 IRIS Summary for Tributyltin oxide (TBTO) (PDF 33 pp, 205 K) Toxicological Review for Tributyltin oxide (TBTO) (PDF 50 pp, 227 K)  Yes 09/01/1997  Not Available
471 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) 76-13-1 IRIS Summary for 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) (PDF 7 pp, 90 K)  Not Available  Yes 04/06/1987  Not Available
472 Trichloroacetic acid 76-03-9 IRIS Summary for Trichloroacetic acid (PDF 26 pp, 0.27 M) Toxicological Review for Trichloroacetic acid (PDF 270 pp, 2.08 M)  Yes 09/30/2011  Not Available
473 1,2,4-Trichlorobenzene 120-82-1 IRIS Summary for 1,2,4-Trichlorobenzene (PDF 14 pp, 118 K)  Not Available  Yes 05/01/1992  Not Available
474 Trichlorocyclopentadiene 77323-84-3 IRIS Summary for Trichlorocyclopentadiene (PDF 5 pp, 81 K)  Not Available  No 03/01/1990  Not Available
475 1,1,1-Trichloroethane 71-55-6 IRIS Summary for 1,1,1-Trichloroethane (PDF 55 pp, 0.39 M) Toxicological Review for 1,1,1-Trichloroethane (PDF 237 pp, 1.08 M)  Yes 09/28/2007  Not Available
476 1,1,2-Trichloroethane 79-00-5 IRIS Summary for 1,1,2-Trichloroethane (PDF 13 pp, 115 K)  Not Available  Yes 09/26/1988  Not Available
477 Trichloroethylene 79-01-6 IRIS Summary for Trichloroethylene (PDF 63 pp, 520 K)  Not Available Trichloroethylene Support Documents  No 09/28/2011  Not Available
478 Trichlorofluoromethane 75-69-4 IRIS Summary for Trichlorofluoromethane (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
479 2,4,5-Trichlorophenol 95-95-4 IRIS Summary for 2,4,5-Trichlorophenol (PDF 7 pp, 90 K)  Not Available  Yes 07/01/1991  Not Available
480 2,4,6-Trichlorophenol 88-06-2 IRIS Summary for 2,4,6-Trichlorophenol (PDF 13 pp, 115 K)  Not Available  Yes 07/01/1991  Not Available
481 2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP) 93-72-1 IRIS Summary for 2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP) (PDF 10 pp, 103 K)  Not Available  Yes 09/07/1988  Not Available
482 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) 93-76-5 IRIS Summary for 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) (PDF 8 pp, 95 K)  Not Available  Yes 09/07/1988  Not Available
483 1,1,2-Trichloropropane 598-77-6 IRIS Summary for 1,1,2-Trichloropropane (PDF 6 pp, 86 K)  Not Available  No 09/26/1988  Not Available
484 1,2,3-Trichloropropane 96-18-4 IRIS Summary for 1,2,3-Trichloropropane (PDF 33 pp, 0.28 M) Toxicological Review for 1,2,3-Trichloropropane (PDF 247 pp, 1.91 M)  Yes 09/30/2009  Not Available
485 Tricresol 1319-77-3 IRIS Summary for Tricresol (PDF 6 pp, 83 K)  Not Available  Yes 04/01/1992  Not Available
486 Tridiphane 58138-08-2 IRIS Summary for Tridiphane (PDF 7 pp, 89 K)  Not Available  Yes 01/31/1987  Not Available
487 Triethylamine 121-44-8 IRIS Summary for Triethylamine (PDF 10 pp, 112 K)  Not Available  Yes 04/01/1991  Not Available
488 Triethylene glycol monobutyl ether 143-22-6 IRIS Summary for Triethylene glycol monobutyl ether (PDF 6 pp, 93 K)  Not Available  No 09/01/1994  Not Available
489 Triethylene glycol monoethyl ether 112-50-5 IRIS Summary for Triethylene glycol monoethyl ether (PDF 6 pp, 94 K)  Not Available  No 09/01/1994  Not Available
490 Trifluralin 1582-09-8 IRIS Summary for Trifluralin (PDF 13 pp, 115 K)  Not Available  Yes 07/01/1989 OPP RED for Trifluralin (PDF 14 pp, 39 K)
491 1,2,3-Trimethylbenzene 526-73-8 IRIS Summary for 1,2,3-Trimethylbenzene (PDF 10 pp, 0.32 M) Toxicological Review for 1,2,3-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,2,3-Trimethylbenzene Support Documents
 No 09/09/2016  Not Available
492 1,2,4-Trimethylbenzene 95-63-6 IRIS Summary for 1,2,4-Trimethylbenzene (PDF 10 pp, 0.32 M) Toxicological Review for 1,2,4-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,2,4-Trimethylbenzene Support Documents
 No 09/09/2016  Not Available
493 1,3,5-Trimethylbenzene 108-67-8 IRIS Summary for 1,3,5-Trimethylbenzene (PDF 10 pp, 0.32 M) Toxicological Review for 1,3,5-Trimethylbenzene (PDF 150 pp, 2.65 M)
1,3,5-Trimethylbenzene Support Documents
 No 09/09/2016  Not Available
494 2,2,4-Trimethylpentane 540-84-1 IRIS Summary for 2,2,4-Trimethylpentane (PDF 12 pp, 170 K) Toxicological Review for 2,2,4-Trimethylpentane (PDF 43 pp, 312 K)  Yes 07/31/2007  Not Available
495 1,3,5-Trinitrobenzene 99-35-4 IRIS Summary for 1,3,5-Trinitrobenzene (PDF 10 pp, 99 K)  Not Available 1,3,5-Trinitrobenzene Support Documents  Yes 10/01/1997  Not Available
496 2,4,6-Trinitrotoluene (TNT) 118-96-7 IRIS Summary for 2,4,6-Trinitrotoluene (TNT) (PDF 14 pp, 118 K)  Not Available  Yes 06/01/1989  Not Available
497 Uranium, natural 7440-61-1 IRIS Summary for Uranium, natural (PDF 4 pp, 77 K)  Not Available  No 01/01/1989  Not Available
498 Uranium, soluble salts IRIS Summary for Uranium, soluble salts (PDF 8 pp, 92 K)  Not Available  Yes 10/01/1989  Not Available
499 Urea 57-13-6 IRIS Summary for Urea (PDF 14 pp, 125 K) Toxicological Review for Urea (PDF 97 pp, 596 K)  No 07/13/2011  Not Available
500 Vanadium pentoxide 1314-62-1 IRIS Summary for Vanadium pentoxide (PDF 7 pp, 88 K)  Not Available Vanadium pentoxide Support Documents  Yes 06/30/1988  Not Available
501 Vernam 1929-77-7 IRIS Summary for Vernam (PDF 6 pp, 87 K)  Not Available  No 03/31/1987 OPP RED for Vernam (PDF 3 pp, 13 K)
502 Vinyl acetate 108-05-4 IRIS Summary for Vinyl acetate (PDF 12 pp, 119 K)  Not Available  No 10/01/1990  Not Available
503 Vinyl bromide 593-60-2 IRIS Summary for Vinyl bromide (PDF 11 pp, 108 K)  Not Available  Yes 05/01/1993  Not Available
504 Vinyl chloride 75-01-4 IRIS Summary for Vinyl chloride (PDF 64 pp, 0.34 M) Toxicological Review for Vinyl chloride (PDF 197 pp, 1.20 M)  Yes 08/07/2000  Not Available
505 Warfarin 81-81-2 IRIS Summary for Warfarin (PDF 9 pp, 98 K)  Not Available  Yes 03/31/1987 OPP RED for Warfarin (PDF 163 pp, 4.65 M)
506 White phosphorus 7723-14-0 IRIS Summary for White phosphorus (PDF 12 pp, 111 K)  Not Available  Yes 12/01/1990  Not Available
507 Xylenes 1330-20-7 IRIS Summary for Xylenes (PDF 33 pp, 203 K) Toxicological Review for Xylenes (PDF 113 pp, 498 K)  No 02/21/2003  Not Available
508 Zinc and Compounds 7440-66-6 IRIS Summary for Zinc and Compounds (PDF 21 pp, 154 K) Toxicological Review for Zinc and Compounds (PDF 83 pp, 520 K)  No 08/03/2005  Not Available
509 Zinc cyanide 557-21-1 IRIS Summary for Zinc cyanide (PDF 8 pp, 101 K)  Not Available  Yes 01/31/1987  Not Available
510 Zinc phosphide 1314-84-7 IRIS Summary for Zinc phosphide (PDF 7 pp, 89 K)  Not Available  Yes 03/31/1987 OPP RED for Zinc phosphide (PDF 225 pp, 902 K)
511 Zineb 12122-67-7 IRIS Summary for Zineb (PDF 8 pp, 93 K)  Not Available  Yes 03/31/1987  Not Available