CheckVegan

Is Pigment Red 53 vegetarian?

Pigment Red 53

Vegetarian Vegetarian
Vegan Vegan

Pigment Red 53 is a synthetic monoazo pigment, chemically sodium 2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonate, used as a colourant.

Also known as AKA203, AKA203 (Japan INCI), sodium 2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonate]
INCI name Pigment Red 53
CAS number 2092-56-0
EC number 218-248-5
CosIng ID 84983
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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