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Testing Status of Orthanilic acid 11441-C


CASRN: 88-21-1

Formula: C6-H7-N-O3-S

Synonyms/Common Names

  • Aniline-2-sulfonic acid
  • Benzenesulfonic acid, 2-amino-(9CI)
  • Benzenesulfonicacid, 2-amino-(9CI)
  • Benzenesulfonic acid, o-amino-(8CI)
  • o-Sulfanilic Acid

Known Uses

Used in the manufacture of dyes

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Micronucleus  (A86240)  Completed 
    • Rats: Fischer 344
    • Male Negative 
  • Salmonella  (229596)  Completed 
    • Citation: Zeiger, E., Anderson, B., Haworth, S., Lawlor, T., and Mortelmans, K. Salmonella mutagenicity tests. IV. Results from the testing of 300 chemicals Environ. Molec. Mutagen. Vol. 11 (Suppl 12) (1988) 1-158
    •  Weakly Positive