Is Azo-Eosin vegan?

Azo-Eosin

Vegan

Azo-Eosin (Acid Red 4; Azoeosin G) is a synthetic azo dye used in histological staining and textile applications. It is classified under the Colour Index as CI 14710.

Also known as Acid red 4, Azoeosin G
CAS number 5858-39-9
CI number CI 14710
Last reviewed 3 June 2026

Sources

  • https://en.wikipedia.org/wiki/List_of_dyes

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