CheckVegan
Open Vegan Ingredient Database

Is Acid Brown 13 vegan?

Acid Brown 13

Vegan Vegan
Vegetarian Vegetarian

Acid Brown 13 is a synthetic disodium sulfonated azo dye used as a colorant in cosmetics and other applications.

Also known as 3,3'-(Sulfonylbis(2-nitro-4,1-phenylene)imino)bis(6-(phenylamino))benzenesulfonic acid, Disodium 3,3'-[sulphonylbis[(2-nitro-p-phenylene)imino]]bis[6-anilinobenzenesulphonate], Disodium 3,3'-[sulphonylbis[(2-nitro-p-phenylene)imino]]bis[6-anilinobenzenesulphonate] (CI 10410)
INCI name Acid Brown 13
CAS number 6373-79-1
EC number 228-922-0
CI number CI 10410
CosIng ID 31614
Last verified 5 September 2026

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

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