Description
Sodium Thiosulfate, Pentahydrate, ACS, Crystal, 500 g, 5480
Specifications:
| CAS # | 10102-17-7 |
| Chemical Formula | Na2S2O3•5H2O |
| Molecular Weight | 248.1800 g/mol |
| Appearance (physical state, color, etc.) | White Crystalline Solid |
| Odor | Odorless |
| pH | 6.0 to 8.4 (5% solution) |
| Nitrogen Compounds (as N) | 0.002% Maximum |
| Insoluble Matter | 0.005% Maximum |
| Assay (Na2S2O3•5H2O) | 99.5 to 101.0% |
| Sulfate and Sulfite (as SO4) | 0.1% Maximum |
| Sulfide (S) | To Pass Test |
| Melting Point/Freezing Point | 48 °C (118 °F) |
| Initial Boiling Point and Boiling Range | > 100 °C (> 212 °F) |
| Density | 1.0000 |
Specifications
| Manufacturer | Columbus Chemical Industries |
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