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Is 4,4'-Bi-o-toluidine sulphate vegetarian?

4,4'-Bi-o-toluidine sulphate

Vegetarian Vegetarian
Vegan Vegan

A synthetic aromatic amine sulfate salt, a derivative of o-toluidine, historically used as a chemical intermediate; classified as a carcinogenic substance restricted in cosmetics.

INCI name 4,4'-Bi-o-toluidine sulphate
CAS number 74753-18-7
EC number 277-985-0
CosIng ID 29191
Last reviewed 9 July 2026

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

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