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.


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 D&C Red No. 28 M010011


CASRN: 18472-87-2

Formula: C20-H4-Br4-Cl4-O5.2Na

Synonyms/Common Names

  • C.I. Acid Red 92
  • Phloxine B
  • 2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-, sodium salt (1:2)

Special Studies

  • Other (in-vitro)  (S0834)  Completed 
    • Female Human (Cell Lines); Male Human (Cell Lines)

Genetic Toxicology

  • Salmonella  (A66475)  Completed 
    •  Positive