CheckVegan

Is Pigment Yellow 1 vegan?

Pigment Yellow 1

Vegan Vegan
Vegetarian Vegetarian

CI 11680 (Pigment Yellow 1) is a synthetic monoazo pigment used as a colorant in cosmetics and industrial applications, chemically based on a 2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide structure.

Also known as 2-[(4-Methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
INCI name Pigment Yellow 1
CAS number 2512-29-0
EC number 219-730-8
CI number CI 11680
CosIng ID 32697
Last reviewed 13 July 2026

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

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