Sodium Sulphite is a soluble sodium salt of Sulfurous Acid (sulphite). It is primarily used in the pulp and paper industry and as a food preservative (E221). A pale yellow, water-soluble solid, it is used commercially as an antioxidant and preservative.
|Molar Weight||126.04 g/mol|
|Forms||Crystals, White, Yellow, Pale, Crystalline|
Synonyms: Natriumsulfit, E 221, Na2SO3, Sodium Sulfite, Sodium Sulphite
Chemical Formula: Na2SO3
CAS Number: 7757-83-7