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ChemicalBook--->CAS DataBase List--->7631-94-9

7631-94-9

7631-94-9 Structure

7631-94-9 Structure
IdentificationBack Directory
[Name]

SODIUM DITHIONATE
[CAS]

7631-94-9
[Synonyms]

Nsc50070
SODIUM DITHIONATE
SODIUM HYPOSULFATE
Disodium dithionate
Dithionic acid, disodium salt
Sodium dithionate anhydrous 97
[EINECS(EC#)]

231-550-1
[Molecular Formula]

Na2O6S2
[MDL Number]

MFCD00036145
[MOL File]

7631-94-9.mol
[Molecular Weight]

206.11
Chemical PropertiesBack Directory
[Appearance]

solid
[density ]

2.189 [MER06]
[solubility ]

insoluble in ethanol
[color ]

colorless orthorhombic crystals, crystalline
[Water Solubility ]

H2O, w/w: 6.05% (0°C), 13.39% (20°C), 17.32 (30°C); insoluble alcohol [MER06]
[Uses]

Chemical reagent.
[CAS DataBase Reference]

7631-94-9
Hazard InformationBack Directory
[Chemical Properties]

solid
[Purification Methods]

Crystallise it from hot water (1.1mL/g) by cooling.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium carbonate-->Sodium dithionite-->Sodium formate-->Zinc hydroxide-->ZINC HYDROSULFITE
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