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Is 4-Nitro-o-Phenylenediamine Dihydrochloride vegan?

4-Nitro-o-Phenylenediamine Dihydrochloride

Vegan

4-Nitro-o-Phenylenediamine Dihydrochloride is a synthetic aromatic amine dye intermediate used as a hair colorant, classified by IARC as possibly carcinogenic to humans (Group 2B).

Also known as 4-Nitrobenzene-1,2-diamine dihydrochloride, 4-nitrobenzene-1,2-diamine dihydrochloride (CI 76020)
INCI name 4-Nitro-o-Phenylenediamine Dihydrochloride
CAS number 6219-77-8
EC number 228-293-2
CI number CI 76020
CosIng ID 54217
Last reviewed 9 July 2026

Sources

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