Skip to Main Navigation
Skip to Page Content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Testing Status of C.I. Direct Violet 32 11213-A

 

CASRN: 6428-94-0

Formula: C34-H25-N5-Na2-O9-S2

Synonyms/Common Names

  • 1-Naphthalenesulfonic acid, 4-amino-3-((4'-((1-hydroxy-4-sulfo-2-naphthyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-, disodium salt

Genetic Toxicology

  • Salmonella Reduction  (531294)  Completed 
    • Citation: Reid, T., Morton K., and King, C. Mutagenicity of azo dyes following metabolism by different reductive/oxidative systems. Environ. Mutagen. Vol. 6 (1984) 705-717
    •  Positive 
  • Salmonella  (046496)  Completed 
    • Citation: Zeiger, E., Anderson, B., Haworth, S., Lawlor, T., and Mortelmans, K. Salmonella mutagenicity tests. IV. Results from the testing of 300 chemicals Environ. Molec. Mutagen. Vol. 11 (Suppl 12) (1988) 1-158
    •  Negative