CheckVegan

Is Potassium Sulfite vegan?

Potassium Sulfite

Vegan Vegan
Vegetarian Vegetarian

Potassium Sulfite is an inorganic salt of potassium and sulfite, appearing as a highly water-soluble white solid, used for preserving food and beverages.

Also known as Potassium sulphite
INCI name Potassium Sulfite
E number E225
INS number 225
CAS number 10117-38-1
EC number 233-321-1
CosIng ID 37031
Last reviewed 9 July 2026

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

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