CheckVegan

Is m-Phenylenediamine vegan?

m-Phenylenediamine

Vegan Vegan
Vegetarian Vegetarian

m-Phenylenediamine, also called 1,3-diaminobenzene, is a synthetic aromatic diamine used as a hair dye ingredient. It is a colourless solid that darkens on exposure to air due to oxidation.

Also known as 1,3-Diaminobenzene, Benzene-1,3-diamine, m-Phenylenediamine salts
INCI name m-Phenylenediamine
CAS number 108-45-2
EC number 203-584-7
CosIng ID 56985
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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