| Customization: | Available |
|---|---|
| CAS No.: | 7772-98-7 |
| Formula: | Na2s2o3.5H2O |
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Sodium Thiosulphate Pentahydrate, colorless crystal, odorless, it has a cool and bitter taste. The specific gravity is 1.729, heated to 100 °C, and 5 crystal waters are lost. It can soluble in water and insoluble in alcohol, and it has strong reducibility. It is easily weathered in dry air above 33 °C and deliquescent in humid air.Commodity:Sodium Thiosulphate Pentahydrate
Physical and Chemical Property: White Crystal
Molecular Formula: Na2S2O3.5H2O
CAS No.: 7772-98-7
Einecs No.:231-867-5
Molecular weight:158.12
Storage: Store the product in a cool and dry place.
Packing: 25kg PP bags,1ton bag
| TEST ITEMS | SPECIFICATION |
| Assay : | 99.00% MIN |
| Water Insoluble: | 0.01% MAX |
| Sulphides: | 0.001% MAX |
| Fe: | 0.001% MAX |
| S | 0.001% MAX |
| NaCl | 0.2% MAX |
Used as photo fixing solution, dechlorination agent and printing and dyeing assistant after bleaching cotton fabric, also used in medicine, electroplating, tanning, metallurgy, dyestuff and so on.
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