CheckVegan

Is Itaconic Acid vegetarian?

Itaconic Acid

Vegetarian Vegetarian
Vegan Vegan

Itaconic Acid is an organic dicarboxylic acid with the formula CH2=C(CO2H)CH2CO2H, produced biotechnologically via fermentation (commonly using Aspergillus terreus) or synthetically, and used as a monomer and functional ingredient.

Also known as Butanedioic acid, 2-methylene-
INCI name Itaconic Acid
CAS number 97-65-4
EC number 202-599-6
CosIng ID 97554
Last reviewed 4 July 2026

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

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