CheckVegan

Is CI 21108 vegan?

CI 21108

Vegan Vegan
Vegetarian Vegetarian

CI 21108 is a synthetic disazo colourant, chemically a bis-azo compound derived from dichlorobiphenyl diazonium coupled with chloro-dimethoxyphenyl acetoacetamide derivatives, used as a colour additive.

Also known as 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide], Pigment Yellow 83
INCI name CI 21108
CAS number 5567-15-7
EC number 226-939-8
CI number CI 21108
CosIng ID 32741
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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