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Testing Status of C.I. Food Red 1 4548532


CASRN: 4548-53-2

Formula: C18-H16-N2-O7-S2.2Na

Synonyms/Common Names

  • 1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt
  • Ponceau SX

Known Uses

Food dye

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (182428)  Completed 
    • Citation: Zeiger, E., Anderson, B., Haworth, S., Lawlor, T., and Mortelman, K. Salmonella Mutagenicity Tests V. Results from the Testing of 311 Chemicals Environ. Molec. Mutagen. Vol. 19 (Suppl 21) (1992) 2-141
    •  Negative