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Is Methenamine vegan?

Methenamine

Vegan

Hexamethylenetetramine (methenamine) is a synthetic heterocyclic organic compound produced by the condensation of formaldehyde and ammonia. It is used as a preservative in food and as an antimicrobial agent.

Also known as Aminoform, Formamine, Hexamethylenetetramine, Hexamine, Urotropin
E number E239
CAS number 100-97-0
EC number 202-905-8
Last reviewed 22 April 2026

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