Thiourea

CAS Number

62-56-6

Synonym

AI3-03582; Caswell No. 855; Isothiourea; Pseudothiourea; Sulourea; Thiocarbmate; Thiocarbamide; Beta-thiopseudourea; 2-thiourea; THU; EPA Pesticide Code: 080201

Occurrence/Use

Production of thiourea dioxide, leaching of gold and silver ores, copper refining, dyes; component in diazo paper and animal hide glue; catalyst in synthesis of fumaric acid; synthesis of pharmaceuticals and pesticides; photographic toning agent

Cancer Potency Information

Latest Criteria: Proposition 65 NSRLs/MADLs
Inhalation Unit Risk (μg/cubic meter)-1: 2.1 E-5
Inhalation Slope Factor (mg/kg-day)-1: 7.2 E-2
Oral Slope Factor (mg/kg-day)-1: 7.2 E-2
Comments/References:

OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
10 µg/day
Cancer
Last NSRL/MADL Revision: 1992

Documents, Presentations, and Publications

Cancer: