CheckVegan

Is Phosphoric Acid vegetarian?

Phosphoric Acid

Vegetarian Vegetarian
Vegan Vegan

An inorganic mineral acid produced by the reaction of phosphate rock with sulfuric acid (wet process) or by burning phosphorus in air. It is used in cosmetics as a pH adjuster and in food as an acidulant.

Also known as acidum phosphoricum, o-Phosphoric acid, Orthophosphoric acid
INCI name Phosphoric Acid
E number E338
INS number 338
CAS number 7664-38-2
EC number 231-633-2
CosIng ID 36546
Last reviewed 16 April 2026

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

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