Sodium Thiosulfate
Sodium Thiosulfate
Molecular Formula: Na2S2O3 .5H2O
Molecular Weight: 248 CAS No.:10102-17-7
Property : monoclinic system crystal, colorless transparent. Specific density: 1.729 Melting point: 40-4 5 °C. The item is soluble in water and hygroscopic in humid air.
Usage : Used in fixers, reducers, as a blush preventive agent, and as a disinfectant
Specifications :
| Sodium thiosulfate(Na 2 S 2 O 3 .5H 2 O) | 99.0%min |
| Insoluble substance in water | 0.01% max |
| Sulfate (Na 2 S) | 0.001%max |
| Fe | 0.002 %max |
| Ph value | 6.5~9.5 |
Packing : In 25kg or 50kg plastic woven bag