CheckVegan

Is o-Tolidine vegetarian?

o-Tolidine

Vegetarian Vegetarian
Vegan Vegan

o-Tolidine (4,4'-bi-o-toluidine) is a synthetic aromatic amine historically used as a dye intermediate, classified as a suspected carcinogen and restricted in cosmetic products.

Also known as 2-Tolidine, 4,4'-Bi-o-toluidine, o-Tolidine
INCI name o-Tolidine
CAS number 119-93-7
EC number 204-358-0
CosIng ID 29188
Last reviewed 9 July 2026

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

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