National Toxicology Program

National Toxicology Program

Testing Status of Benzidine, 2,2'-disulfonic acid - M90055


CASRN: 117-61-3

Formula: C12-H12-N2-O6-S2

Synonyms/Common Names

  • 4,4'-Diamino-(1,1'-biphenyl)-2,2'-disulfonic acid

Known Uses

Dye intermediate

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (619780)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.