Sodium thiosulfate pentahydrate 99+%, Extra Pure
Supplier: Thermo Scientific Chemicals
AC12337-0010
AC12337-0025
AC12337-0250
TS12337-0010EA
69
USD
TS12337-0010
TS12337-0025
TS12337-0250
Sodium thiosulfate pentahydrate 99+%, Extra Pure
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 EINECS: 231-867-5 Merck Index: 12,08844 |
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 |
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