Sodium thiosulfate pentahydrate - 31459

Code: 31459
Sodium thiosulfate pentahydrate
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., ≥99.5%
ACS Reagent, Reag. ISO, Reag. Ph. Eur. 

CAS Number: 10102-17-7
Linear Formula: Na2S2O3 · 5H2O
Molar Mass: 248.18 g/mol
EC Number: 231-867-5
MDL Number: MFCD00149186
Catalog Number Packaging Size Container type Price QTY Cart
31459-500G 500G PLASTIC BOTTLE Contact
31459-5KG 5KG PLASTIC BOTTLE Contact
31459-50KG 50KG FIBERBOARD BOX Contact
31459-1KG 1KG PLASTIC BOTTLE Contact
31459-6X1KG 6X1KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay min. 99.5 %
Water insoluble matter max. 0.005 %
PH (5 %, 25 °C) 6.0 - 7.5
PH (10 %, 20°C) 6.0 - 8.4
Calcium (Ca) max. 0.002 %
Copper (Cu) max. 0.0005 %
Iron (Fe) max. 0.0005 %
Potassium (K) max. 0.001 %
Magnesium (Mg) max. 0.001 %
Lead (Pb) max. 0.0005 %
Chloride (Cl) max. 0.01 %
Sulfate and sulfite (as SO4) max. 0.1 %
Sulfide (S) max. 0.0001 %
Total N max. 0.002 %
Appearance of the solution 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