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Carboxin Quickview (CASRN 5234-68-4)

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 Carboxin

File First On-Line: 01/31/1987; Last Significant Revision: 01/31/1987

Category (section)
Last Revised
Oral RfD Assessment On-line 07/01/1989
Inhalation RfC Assessment No data
Carcinogenicity Assessment No data
  • 5234-68-4
  • 5-Carboxanilido-2,3-dihydro-6-methyl-1,4-oxathiin
  • Carboxin
  • Carboxine
  • D 735
  • DCMO
  • 2,3-Dihydro-5-carboxanilido-6-methyl-1,4-oxathiin
  • 5,6-Dihydro-2-methyl-3-carboxanilido-1,4-oxathiin
  • 5,6-Dihydro-2-methyl-n-phenyl-1,4-oxathiin-3-carboxamide
  • 2,3-Dihydro-6-methyl-1,4-oxathiin-5-carboxanilide
  • 5,6-Dihydro-2-methyl-1,4-oxathiin-3-carboxanilide
  • more...
Carboxin Source Documents
Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Critical Effect
Point of Departure*
Reduced weight gain, organ weight changes, increased mortality NOEL : 1.0 x101 mg/kg-day 100 1 x10-1 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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