2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP)

CASRN 93-72-1

  • IRIS Summary (PDF) (10 pp, 103 K)
  • Status: 2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP) is not being reassessed by IRIS at this time.

Health Hazard Assessments for Effects Other than Cancer


Reference Dose for Oral Exposure (RfD) (PDF) (10 pp, 103 K) last updated: 09/07/1988

RfD (mg/kg-day) System Basis PoD Composite UF Confidence
8 x10-3 Hepatic Histopathological changes in liver NOEL : 7.5 x10-1
mg/kg-day
100 Medium

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: 08/22/1988

WOE Characterization Framework for WOE Characterization
D (Not classifiable as to human carcinogenicity) Guidelines for Carcinogen Risk Assessment (US EPA, 1986)
Basis:
  • Human data are not available and the available animal cancer bioassay studies are considered to be inadequate.
  • 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.

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