CheckVegan

Is Basic Blue 99 vegan?

Basic Blue 99

Vegan Vegan
Vegetarian Vegetarian

Basic Blue 99 is a synthetic naphthoquinoneimine dye used as a hair coloring agent in cosmetic formulations.

Also known as 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride, 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride (CI 56059)
INCI name Basic Blue 99
CAS number 68123-13-7
EC number 268-544-3
CI number CI 56059
CosIng ID 32069
Last reviewed 4 July 2026

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

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