IRIS

Diethyl phthalate (DEP)

CASRN 84-66-2

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (10 pp, 103 K) last updated: 09/30/1987

System RfD (mg/kg-day) Basis PoD Composite UF Confidence
Other 8 x 10-1 Decreased growth rate, food consumption and altered organ weights NOAEL : 7.50 x 102
mg/kg-day
1000 Low

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (10 pp, 103 K)
Not assessed under the IRIS Program.

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (10 pp, 103 K) last updated: 09/07/1988

WOE Characterization Framework for WOE Characterization
D (Not classifiable as to human carcinogenicity) Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986)
Basis:
  • Pertinent data regarding carcinogenicity were not located in the available literature.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (10 pp, 103 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (10 pp, 103 K)

Not assessed under the IRIS Program.


Note: The diethyl phthalate (dep) (re)assessment has been discontinued. A new/updated assessment will not be added to the IRIS database at this time.

Assessment Manager(s): James Avery (avery.james@epa.gov)

Step Assessment Materials Released to the Public Release Date Public Meeting Date
1 Preliminary Assessment Materials 03/2014 04/2014
  Discontinued 12/2018  

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