IRIS

4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB)

CASRN 94-82-6 | DTXSID7024035

  • Archived IRIS Summary (PDF) (7 pp, 88 K)
  • Status: EPA announced in a 2004 Federal Register Notice that chemicals used as pesticides would not be re-assessed by the IRIS Program. This entry in the IRIS database is preserved at the request of EPA program and regional offices. Additional toxicological information may be found under "Other EPA Information."

Notice - This webpage has been Archived

Archive Disclaimer - This site contains archived material.
This web page has been archived and is maintained for reference purposes only. Persons with disabilities having difficulty accessing archived materials may contact the IRIS Hotline for assistance. Please use the contact us form if you need immediate assistance.

This information is archived and for historical reference only.

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (7 pp, 88 K) Archived on: 07/15/2016

System RfD (mg/kg-day) Basis PoD Composite UF Confidence
Other 8 x 10 -3 Internal hemorrhage, mortality NOAEL : 8
mg/kg-day
1000 Low

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (7 pp, 88 K) Archived on: 07/15/2016
Not assessed under the IRIS Program.

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (7 pp, 88 K) Archived on: 07/15/2016
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (7 pp, 88 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (7 pp, 88 K)

Not assessed under the IRIS Program.


Additional EPA toxicity information may be available by visiting the following sites:

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Contact Us to ask a question, provide feedback or report a problem.