Sodium thiosulphate pentahydrate 99+% for biochemistry

Supplier: Thermo Fisher Scientific

447940010 447942500
ACRO447940010EA 136 EUR
ACRO447940010 ACRO447942500
Sodium thiosulphate 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
Merck Index: 12,08844

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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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