CheckVegan

Is Basic Red 51 vegan?

Basic Red 51

Vegan Vegan
Vegetarian Vegetarian

Basic Red 51 is a synthetic azo dye used as a colourant in oxidative and semi-permanent hair dye formulations.

Also known as 2-[[4-(Dimethylamino)phenyl]azo]-1,3-dimethyl-1H-imidazolium chloride, BASIC RED 51
INCI name Basic Red 51
CAS number 77061-58-6
EC number 278-601-4
CosIng ID 91089
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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