Sodium thiosulfate pentahydrate 99+% for biochemistry

Supplier: Thermo Scientific Chemicals

44794-0010 44794-2500
TS44794-0010EA 145 USD
TS44794-0010 TS44794-2500
Sodium thiosulfate pentahydrate 99+% for biochemistry
Sodium thiosulphate pentahydrate
Formula: Na₂S₂O₃.5H₂O
MW: 248.19 g/mol
Melting Pt: 48.5 °C
Density: 1.72 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00149186
CAS Number: 10102-17-7

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Specification Test Results

Appearance White Powder or crystals
Titration Iodimetric 99.0 to 101.0 %
Solubility (1 M in water) Clear colorless
pH 6.0 to 7.5 (5 % in water)
Chloride (Cl) ≤0.008 %
SO4 and SO3 (as SO4) ≤0.1 %
Calcium (Ca) ≤0.002 %
Copper (Cu) ≤0.0005 %
Iron (Fe) ≤0.0005 %
Magnesium (Mg) ≤0.001 %
Heavy metals (as Pb) ≤10 ppm

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