CheckVegan

Is Propionic Acid vegan?

Propionic Acid

Vegan Vegan
Vegetarian Vegetarian

Propionic acid is a short-chain saturated aliphatic carboxylic acid with the formula CH3CH2COOH. It is used as a preservative in food and cosmetic products, primarily to inhibit mould and bacterial growth.

Also known as Ethylformic acid, Methylacetic acid, Propanoic acid, PROPIONIC ACID / AMMONIUM PROPIONATE / CALCIUM PROPIONATE / MAGNESIUM PROPIONATE / POTASSIUM PROPIONATE / SODIUM PROPIONATE
INCI name Propionic Acid
E number E280
INS number 280
CAS number 79-09-4
EC number 201-176-3
CosIng ID 37261
Last reviewed 22 April 2026

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

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