Sodium thiosulphate pentahydrate 99+%, extra pure
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:10102-17-7
:
Formula:Na₂S₂O₃.5H₂O
MDL Number:MFCD00149186
:248.19 g/mol
Merck Index:12,08844
Melting Pt:48.5 °C
Density:1.72 g/cm³
Storage Temperature:Ambient
EINECS:231-867-5
Specification Test Results
- Appearance:Colorless to white Crystals
- Titration Iodimetric:99.0 to 101.0 %
- pH:6 to 8.4 (10 % at 20°C)
- Chloride (Cl):≤500 ppm
- SO4 and SO3 (as SO4):≤0.2 %
- Calcium (Ca):≤50 ppm
- Iron (Fe):≤10 ppm
- Lead (Pb):≤5 ppm
- Sulfur (S):≤5 ppm
Specification Test Results
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