Sodium thiosulfate pentahydrate - 13479

Code: 13479
Sodium thiosulfate pentahydrate
Puriss., meets analytical specification of BP, European Pharmacopoeia, USP, 99-101%
99-101%, meets analytical specification of Ph. Eur., BP, USP 

​CAS Number: 10102-17-7
Linear Formula: Na2S2O3 · 5H2O
Molar Mass: 248.18 g/mol
MDL Number: MFCD00149186
Catalog Number Packaging Size Container type Price QTY Cart
13479-500G 500G PLASTIC BOTTLE Contact
13479-2.5KG 2.5KG PLASTIC BOTTLE Contact
13479-5KG 5KG PLASTIC BOTTLE Contact
13479-6X2.5KG 6X2.5KG PLASTIC BOTTLE Contact
13479-4X5KG 4X5KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay 99 - 101 %
Loss on drying (vacuum, 16 h) 32 - 37 %
PH (10 %, 20°C) 6.0 - 8.4
Arsenic (As) max. 0.0003 %
Calcium (Ca) max. 0.005 %
Iron (Fe) max. 0.001 %
Heavy metals (as Pb) max. 0.0005 %
Chloride (Cl) max. 0.05 %
Sulfate and sulfite (as SO4) max. 0.2 %
Sulfide (S) complying
Appearance of the solution complying
Residual solvents complying
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Physical Properties

Property Value
Freezing point 48 °C
Density 1.73 g/cm3
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Safety Information

Property Value
Precautionary Statement(s) P280