CheckVegan

Is Solvent Orange 1 vegetarian?

Solvent Orange 1

Vegetarian Vegetarian
Vegan Vegan

Solvent Orange 1 is a synthetic monoazo dye used as a colorant in cosmetics and other products, chemically identified as 4-(phenylazo)resorcinol.

Also known as 4-(Phenylazo)resorcinol
INCI name Solvent Orange 1
CAS number 2051-85-6
EC number 218-131-9
CI number CI 11920
CosIng ID 38152
Last reviewed 11 July 2026

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

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