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Urea

CASRN 57-13-6 | DTXSID4021426

  • Toxicological Review (PDF) (97 pp, 596 K)
  • IRIS Summary (PDF) (14 pp, 125 K)

On this page:

  • Key IRIS
    Values
  • Chemical
    Documents
  • Other EPA
    Information

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (14 pp, 125 K) Last Updated: 07/13/2011

Information reviewed but value not estimated.


Reference Concentration for Inhalation Exposure (RfC) (PDF) (14 pp, 125 K) Last Updated: 07/13/2011

Information reviewed but value not estimated.

Cancer Assessment

Weight of Evidence for Cancer (PDF) (14 pp, 125 K) Last Updated: 07/13/2011

WOE Characterization Framework for WOE Characterization
Inadequate information to assess carcinogenic potential Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005)
Basis:
  • Under the Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005a), there is "inadequate information to assess the carcinogenic potential" of urea.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (14 pp, 125 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (14 pp, 125 K)

Not assessed under the IRIS Program.

Chemical Documents

Jul 2011: IRIS Toxicological Review of Urea (Final Report) (Report)

Jun 2011: IRIS Toxicological Review of Urea (Interagency Science Discussion Draft) (Report)

Sep 2010: IRIS Toxicological Review of Urea (External Review Draft) (Report)

Jun 2010: IRIS Toxicological Review of Urea (Interagency Science Consultation Draft) (Report)

Other EPA Information

Additional EPA toxicity information may be available by visiting the following sites:
  • Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
  • Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
  • Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.

Related Links

  • EPA Chemicals Dashboard - Urea
  • eChemPortal - Urea

Chemical Structure

Urea

Synonyms

  • Aquacare
  • Aquadrate
  • Basodexan
  • Carbamide
  • Carbonyldiamide
  • Hyanit
  • Keratinamin
  • Nutraplus
  • Onychomal
  • Pastaron
  • Urea
  • Ureaphil
  • Urepearl
  • 57-13-6
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