Is Calcium Sulphite vegan?

Calcium Sulphite

Vegan

Calcium sulphite is an inorganic salt of calcium and sulphurous acid, used as a preservative and antioxidant in food and cosmetic products.

Also known as Calcium sulfite, Sulfurous acid, calcium salt
E number E226
CAS number 10257-55-3
EC number 233-634-4
Last reviewed 22 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.