Sodium thiosulfate pentahydrate, CAS 10102-17-7
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Appearance: colorless, crystalline solid
CAS: 10102-17-7
Product ID: S2O31313
Purity: 99%+
Formula: H10Na2O8S2
MW: 248.19 g/mol
MP: 46-50C
pH: 5.9-8.3 (10wt% aqueous solution)
Solubility: water soluble (>500g/L)
HS Code: 283230
MDL: MFCD00149186
SMILES: O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+]
LD50 (rat, oral) > 2,000mg/kg
Synonyms
Sodium hyposulfite pentahydrate; disodium thiosulfate pentahydrate; thiosulfuric acid, disodium salt, pentahydrate
Keywords
Na2S2O3·5H2O; phase change material; hydrated salt; dissolves silver bromide; leaches gold; plating agent; reducing agent; antioxidant; preservative; photographic fixer; brightener; dyeing mordant