Is Sudan Red 7B vegan?

Sudan Red 7B

Vegan

Sudan Red 7B is a red diazo dye that is soluble in oils and insoluble in water. Chemically it is N-ethyl-1-[[p-(phenylazo)phenyl]azo]-2-naphthalenamine. It is a synthetic organic dye used for coloring oils, fats, and waxes.

Also known as Ceres Red 7B, Fat Red 7B, Novasol Red RN, Oil Violet, Organol Bordeaux B, Solvent Red 19, Typogen Carmine
CAS number 6368-72-5
CI number CI 26050
Last reviewed 3 June 2026

Sources

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