Switzerland
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 |
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Melting Point | 33.4°C |
Density | 2.63 g/cc |
Forms | Crystals, White, Yellow, Pale, Crystalline |
Synonyms: Natriumsulfit, E 221, Na2SO3, Sodium Sulfite, Sodium Sulphite
Chemical Formula: Na2SO3
CAS Number: 7757-83-7