National Toxicology Program

National Toxicology Program

Testing Status of Azure C - M060110


CASRN: 531-57-7

Formula: C13-H12-N3-S.Cl

Synonyms/Common Names

  • 3-Amino-7-methylaminophenothiazin-5-ium chloride
  • Methylene Azure C
  • Monomethylthionine chloride

Known Uses

Metabolite of methylene blue

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A78400)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.