CheckVegan

Is Ammonium Sulfite vegetarian?

Ammonium Sulfite

Vegetarian Vegetarian
Vegan Vegan

Ammonium Sulfite is the ammonium salt of sulfurous acid, an inorganic compound used as a preservative and reducing agent.

Also known as Ammonium sulphite
INCI name Ammonium Sulfite
CAS number 10196-04-0
EC number 233-484-9
CosIng ID 31900
Last reviewed 9 July 2026

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

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