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Is 2-Bromo-2-Nitropropane-1,3-Diol vegan?

2-Bromo-2-Nitropropane-1,3-Diol

Vegan

2-Bromo-2-Nitropropane-1,3-Diol (Bronopol) is a substituted aliphatic diol used as an antimicrobial preservative in cosmetics; it typically appears as a white solid, though commercial samples may appear yellow.

Also known as 1,3-Propanediol, 2-bromo-2-nitro-, Bronopol
INCI name 2-Bromo-2-Nitropropane-1,3-Diol
CAS number 52-51-7
EC number 200-143-0
CosIng ID 31492
Last reviewed 9 July 2026

Sources

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