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Is (8-[(4-Amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl)trimethylammonium vegan?

(8-[(4-Amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl)trimethylammonium

Vegan

This is a synthetic azo-naphthalene trimethylammonium dye compound and its salts, used as a colorant substance in hair dye products.

INCI name (8-[(4-Amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl)trimethylammonium
CAS number 71134-97-9
EC number 275-216-3
CosIng ID 31136
Last reviewed 9 July 2026

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