National Toxicology Program

Testing Status of Urea - 10922-F

CASRN: 57-13-6

Formula: C-H4-N2-O

Synonyms/Common Names

• Carbonyl diamide

Known Uses

Liquid fertilizer, livestock nutrient, manufacture resins and plastics, natural constituent of urine & other body fluids. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

• Salmonella  (577347)  Completed 
  • Citation: Mortelmans, K., Haworth, S., Lawlor, T., Speck, W., Tainer, B., and Zeiger, E. Salmonella mutagenicity tests. II. Results from the testing of 270 chemicals Environ. Mutagen. Vol. 8 (Suppl 7) (1986) 1-119
  •  Negative