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Pirimiphos-methyl Quickview (CASRN 29232-93-7)

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 Pirimiphos-methyl

File First On-Line: 09/30/1987; Last Significant Revision: 09/30/1987

Category (section)
Last Revised
Oral RfD Assessment On-line 01/01/1992
Inhalation RfC Assessment No data
Carcinogenicity Assessment No data
  • 29232-93-7
  • Actelic
  • Actellic
  • Actellifog
  • Blex
  • 2-Diethylamino-6-methylpyrimidin-4-yl dimethyl phosphorothionate
  • ENT 27699GC
  • Methylpirimiphos
  • o-(2-(Diethylamino)-6-methyl-4-pyrimidinyl)o,o-dimethyl phosphorothioate
  • Pirimifosmethyl
  • Pirimiphos-methyl
  • more...
Pirimiphos-methyl Source Documents
Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Critical Effect
Point of Departure*
Transient plasma ChE depression (other effect: Borderline ChE depression. ) NOEL : 2.5 x10-1 mg/kg-day 25 1 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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