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White phosphorus Quickview (CASRN 7723-14-0)

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 White phosphorus

File First On-Line: 08/01/1990; Last Significant Revision: 12/01/1990

Category (section)
Last Revised
Oral RfD Assessment Yes 08/01/1990
Inhalation RfC Assessment No
Carcinogenicity Assessment Yes 12/01/1990
  • 7723-14-0
  • Bonide Blue Death Rat Killer
  • Caswell no. 663
  • Common Sense Cockroach and Rat Preparations
  • EPA Pesticide Chemical Code 066502
  • Exolit LPKN 275
  • Exolit VPK-N 361
  • Fosforo bianco [Italian]
  • Fosforo blanco [Spanish]
  • Fosforo [Spanish]
  • Gelber phosphor [German]
  • more...
White phosphorus Source Documents
Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Critical Effect
Point of Departure*
Parturition mortality; forelimb hair loss NOAEL : 1.5 x10-2 mg/kg-day 1000 2 x10-5 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
  • Weight-of-Evidence Characterization
    • D (Not classifiable as to human carcinogenicity)
  • Weight-of-Evidence Narrative:
    • Based on no data in humans or animals.
    • This may be a synopsis of the full weight-of-evidence narrative. See IRIS Summary.

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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