National Toxicology Program

National Toxicology Program

Testing Status of 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid (8CI)(9CI) - M940109


CASRN: 483-84-1

Formula: C10-H6-N2-O8-S

Synonyms/Common Names

  • Flavianic acid
  • Naphthol yellow

Known Uses

Intermediate; precipitant for organic bases; reagent for amino acids

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A05643)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.