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Chlorimuron-ethyl Quickview (CASRN 90982-32-4)

Health assessment information on a chemical substance is included in IRIS only after a comprehensive review of toxicity data by U.S. EPA health scientists from several Program Offices, Regional Offices, and the Office of Research and Development.

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Status of Data for Chlorimuron-ethyl

File First On-Line: 11/01/1989; Last Significant Revision: 11/01/1989

Category (section)
Last Revised
Oral RfD Assessment Yes 11/01/1989
Inhalation RfC Assessment No
Carcinogenicity Assessment No
  • 90982-32-4
  • Benzoic acid, 2-(((((4-chloro-6-methoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-, ethyl ester
  • Caswell No. 193B
  • Chlorimuron ethyl ester
  • DPX-F 6025
  • EPA Pesticide Chemical Code 128901
  • Ethyl 2-(((((4-chloro-6-methoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)benzoate
  • Ethyl 2-(((4-chloro-6-methoxypyrimidine-2-yl)aminocarbonyl)aminosulfonyl)benzoate
  • Chlorimuron-ethyl
Chlorimuron-ethyl Source Documents
Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Critical Effect
Point of Departure*
Increase in WBC, decreased in RBC in females, increase in alkaline phosphatase in males NOEL : 6.25 mg/kg-day 300 2 x10-2 mg/kg-day

* The Point of Departure listed serves as a basis from which the Oral RfD was derived. See Discussion of Conversion Factors and Assumptions for more details.

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Reference Concentration for Chronic Inhalation Exposure (RfC)

Not Assessed under the IRIS Program.

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Carcinogenicity Assessment for Lifetime Exposure

Quantitative Estimate of Carcinogenic Risk from Oral Exposure

  • Not Assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure

  • Not Assessed under the IRIS Program.

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