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Sodium thiosulfate pentahydrate, 99.5%, for analysis, ACROS Organics™


Quantity 1kg
Packaging Plastic Bottle

Manufacturer: fisher scientific acros  202850010

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Catalog No. AC202850010

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Description & Specifications

Chemical Identifiers

Calcium (Ca) 20ppm max.
Chlorine (Cl) 200ppm max.
Density 1.7200g/mL
Heavy Metals (as Pb) 5ppm max.
Insoluble in Water 0.005% max.
Iron (Fe) 5ppm max.
Nitrogen Compounds 0.002% max.
Packaging Plastic Bottle
Potassium (K) 50ppm max.
Sulfate and Sulfite 0.1% max.
Sulfur (S) 1ppm max.
Decomposition Information >45°C
Color White transparent
pH 6 to 8.4 (5% soln. at 25°C)
Quantity 1kg
Chemical Name or Material Sodium thiosulfate pentahydrate
CAS 10102-17-7
Purity Grade For analysis
Physical Form White transparent crystals
Assay 99.5 to 101%
Assay Percent Range 99.5%
Molecular Formula Na2O3S2·5H2O
Linear Formula Na2S2O3·5H2O
Formula Weight 248.18g/mol
MDL Number MFCD00149186
Merck Index 15, 8821

Specifications

Chemical Name or Material Sodium thiosulfate pentahydrate
CAS 10102-17-7
Purity Grade For analysis
Assay 99.5 to 101%
Assay Percent Range 99.5%
Molecular Formula Na2O3S2·5H2O
Linear Formula Na2S2O3·5H2O
Formula Weight 248.18g/mol
MDL Number MFCD00149186

Reduction reagent for analysis