National Toxicology Program

National Toxicology Program

Testing Status of Azure A - M060108


CASRN: 531-53-3

Formula: C14-H14-N3-S.Cl

Synonyms/Common Names

  • 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride
  • Dimethylthionine

Known Uses

Metabolite of methylene blue

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A40562)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.