Product Description

ProductSodium Thiosulfate Pentahydrate
CAS10102-17-7
FormulaNa2S2O3.5H2O
SynonymSodium Hyposulfite

Typical Product Specifications

Density1.69
Density (25ยฐC)1.685 g/l
Iron0.002% Max
Solubility in water42.7
Assay99% Min
Heavy Metals0.001% Max
Na2S2O3 (sodium thiosulfate)62% Min
Sodium Sulfite0.2% Max
pH6.5-8.0
Insolubilityin alcohol
Odorodorless
Melting Point48 c
Molecular weight248.18
Colorcolorless crystal or granulated
Solubilitywater
Chemical StructureChemical Structure
NotesPackaging: 50 lb bags; 40 bags per pallet
ClassInorganic Chemicals: Nitrates, Phosphates, Oxides & more
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