Features of Sodium Thiosulfate:
1, Chemical name: Sodium thiosulfate
2, H.S code: 2832800000
3, Molecular formula: Na2S2O3*5H2O
4, Molecular weight: 248.17
5, Properties: Monoclinic crystal, Melting point: 40-45degree, Relative density: 1.729(17degree).
6, Packing: 25kg, 50kg plastic woven bag, or following your demand.
Application of Sodium Thiosulfate:
Used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. And decolor agent.
Specifications of sodium thiosulphate:
| Item | Photographic grade | Industrial grade | Anhydrous grade |
| Appearance | colorless transparent crystal | colorless transparent crystal | white powder |
| Assay | ≥ 99.00% | ≥ 98.5% | ≥ 97.0% |
| Water Insoluble matter | ≤ 0.01% | ≤ 0.03% | ≤ 0.03% |
| Sulfide | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
| Fe | ≤ 0.001% | ≤ 0.003% | ≤ 0.005% |
| PH | 6.5~9.5 | 6.5~9.5 | 6.5~9.5 |
| Water solution reaction | in accordance with the test | in accordance with the test | —- |
| Granularity(g/g) | 12~16 | — | —- |