Sodium hydrosulfite (Sodium dithionite, Sodium hypodisulfite, Na2S2O4) is a white crystalline sodium salt. It decomposes in the presence of atmospheric oxygen to afford sodium hydrogen sulfate. It has been prepared by reducing sodium hydrogen sulfite in sulfurous acid solution with zinc. It is…

CAS: 7775-14-6 EC No: 231-890-0 MDL No: MFCD00011640 UN No: UN1384; Haz Class: 4.2; Packing Group: II Powder Linear Formula: NaO₂SSO₂Na MW: 174.11 Melting Point: 300° Density (g/mL): 2.5

Synonym(s): Sodium hypodisulfite, Sodium dithionite Formula: Na2S2O4 Formula weight: 174.11 Purity: 85+% CAS Number: 7775-14-6 UN Number: UN1384 Hazard Class: 4.2 Packing Group: II Harmonized Tariff Code:  2831.10 Hazard Statements: H251-H302 Self-heating: may catch…