Sodium Thiosulfate Pentahydrate AR 2.5Kg JT Baker
3946.05-2.5Kg
| Formula: Na2S2O3.5H2O MW: 248.19 g/mol Melting Pt: 48 °C Density: 1,67 g/cm³ (20 °C) Storage Temperature: Ambient | MDL Number: MFCD00149186 CAS Number: 10102-17-7 EINECS: 231-867-5 UN: 0000 Merck Index: 12,08844 |
Specification Test Results
| Meets ACS Reagent Chemical Requirements | |
| For Laboratory,Research,or Manufacturing Use | |
| Assay (Na2S2O3.5H2O) (by iodometry) | 99.5 - 101.0 % |
| Insoluble Matter | ≤ 0.005 % |
| pH of 5% Solution at 25°C | 6.0 - 8.4 |
| Nitrogen Compounds (as N) | ≤ 0.002 % |
| Sulfate and Sulfite (as SO4) | ≤ 0.1 % |
| Sulfide (S) | Passes Test |
| Meets Reagent Specifications for testing USP/NF monographs |
Availability: 4 in stock
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