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Tralomethrin Quickview (CASRN 66841-25-6)

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 Tralomethrin

File First On-Line: 07/01/1989; Last Significant Revision: 07/01/1989

Category (section)
Last Revised
Oral RfD Assessment Yes 07/01/1989
Inhalation RfC Assessment No
Carcinogenicity Assessment No
  • 66841-25-6
  • Cyano(3-phenoxyphenyl)methyl 2,2-dimethyl-3-(1,2,2,2-tetrabromoethyl) cyclopropanecarboxylate
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(1,2,2,2-tetrabromoethyl)-, cyano(3-phenoxyphenyl)methyl ester
  • HAG 107
  • RU 25472
  • RU 25474
  • Tralomethrin
  • Tralomethrine
Tralomethrin Source Documents
Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Critical Effect
Point of Departure*
Decreased body weight gain in males increased food and water consumption in males and females (other effect: Depressed body weight in parents and pups during lactation. ) NOEL : 7.5 x10-1 mg/kg-day 100 7.5 x10-3 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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