CheckVegan

Is Benzidine Sulphate vegetarian?

Benzidine Sulphate

Vegetarian Vegetarian
Vegan Vegan

Benzidine sulphate is the sulfate salt of benzidine, a synthetic aromatic amine historically used in dye production; it is a known human carcinogen.

INCI name Benzidine Sulphate
CAS number 21136-70-9
EC number 244-236-4
CosIng ID 29183
Last reviewed 9 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue