Sodium thiosulfate pentahydrate - 217247
Code: 217247
Sodium thiosulfate pentahydrate
ACS Reagent, ≥99.5%
≥99.5%, ACS Reagent
CAS Number: 10102-17-7
Linear Formula: Na2S2O3 · 5H2O
Molar Mass: 248.18 g/mol
MDL Number: MFCD00149186
| Property |
Value |
| Assay (Iodometric) |
99.5 - 101.0 % |
| Water insoluble matter |
max. 0.005 % |
| PH (5 %, 25 °C) |
6.0 - 8.4 |
| Sulfate and sulfite (as SO4) |
max. 0.1 % |
| Sulfide (S) |
max. 0.0001 % |
| Total N |
max. 0.002 % |
| Appearance |
complying |
| Identity (ICP) |
complying |
| Property |
Value |
| Freezing point |
48 °C |
| Density |
1.73 g/cm3 |