Sodium Hydrosulphite (better known as Sodium dithionite) is a white crystalline powder with a weak sulfurous odor. It is produced by various processes (conversion of sodium formate or sodiumborohydride with sulphur dioxide, reduction of sulphur dioxide with zinc powder or reduction of sodium sulphide with Sodium amalgam.
|Molar Weight||174.107 g/mol|
|Forms||Powder, White, Crystalline|
Synonyms: Sodium dithionite, Hydrosulfite, disodium dithionite
Chemical Formula: Na2S2O4
CAS Number: 7775-14-6