Bentazon (Basagran)

CASRN 25057-89-0 | DTXSID0023901

Toxicological Review (PDF) (30 pp, 180 K)
IRIS Summary (PDF) (20 pp, 145 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."

On this page:

System	RfD (mg/kg-day)	Basis	PoD	Composite UF	Confidence
Hematologic	3 x 10 ^-2	Blood loss into the gastrointestinal tract; coagulation defect in male and female dogs	NOAEL (ADJ): 3.2 mg/kg-day	100	Medium

Not assessed under the IRIS Program.

Weight of Evidence for Cancer (PDF) (20 pp, 145 K) Last Updated: 03/02/1998

WOE Characterization	Framework for WOE Characterization
E (Evidence of non-carcinogenicity for humans)	Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986)
Not likely to be carcinogenic to humans	Proposed Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1996)

Basis:

Under EPA's 1986 Guidelines for Carcinogen Risk Assessment, Bentazon would be classified as evidence of non-carcinogenicity for humans, or a Group E chemical. Under EPA's proposed guidelines for carcinogen risk assessment (U.S. EPA, 1996), Bentazon would be characterized as not likely to be carcinogenic to humans by any route of exposure.
This may be a synopsis of the full weight-of-evidence narrative.

Not assessed under the IRIS Program.

Not assessed under the IRIS Program.

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

Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.