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


Quantity 10kg
Packaging Plastic Bucket

Manufacturer: thermo fisher scientific  AC202850100

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Catalog No. AC202850100

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Description & Specifications

Chemical Identifiers

Color White tranparent
Physical Form Crystals
Formula Weight 248.18
Quantity 10kg
Merck Index 15, 8821
Packaging Plastic Bucket
Assay 99.5 to 101%
Purity Grade For analysis
Decomposition Information >45°C
pH 6 to 8.4 (5% soln. at 25°C)
Density 1.7200g/mL
Insoluble in Water 0.005% max.
Heavy Metals (as Pb) 5ppm max.
Iron (Fe) 5ppm max.
Linear Formula Na2S2O3·5H2O
Sulfur (S) 1ppm max.
Chemical Name or Material Sodium thiosulfate pentahydrate
Chlorine (Cl) 200ppm max.
MDL Number MFCD00149186
Potassium (K) 50ppm max.
Calcium (Ca) 20ppm max.
Nitrogen Compounds 0.002% max.
Sulfate and Sulfite 0.1% max.
Molecular Formula Na2O3S2·5H2O
Assay Percent Range 99.5%
CAS 10102-17-7

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 248.18
MDL Number MFCD00149186