Sodium thiosulphate pentahydrate 99+% for biochemistry
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:10102-17-7
:
Formula:Na₂S₂O₃.5H₂O
MDL Number:MFCD00149186
:248.19 g/mol
Melting Pt:48.5 °C
Density:1.72 g/cm³
Storage Temperature:Ambient
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