Photo Grade Transparent Particle Sodium Thiosulphate
China Photo Grade Transparent Particle Sodium Thiosulphate, Find details about China Hypo, Sodium Thiosulfate from Photo Grade Transparent Particle Sodium Thiosulphate
Basic Info.
Model NO.
ST-99
Appearance
Granular
Grade Standard
Industrial Grade
Trademark
N/M
Transport Package
25kg Kraft Paper Bag or Plastic Woven Bag
Specification
Purity: 99%min
Origin
Shijiazhuang, Hebei
HS Code
2832300000
Model NO.
ST-99
Appearance
Granular
Grade Standard
Industrial Grade
Trademark
N/M
Transport Package
25kg Kraft Paper Bag or Plastic Woven Bag
Specification
Purity: 99%min
Origin
Shijiazhuang, Hebei
HS Code
2832300000
Product Desciption
Sodium Thiosulphate/Sodium Thiosulfate
Specification:
| Other chemical name: | Hypo |
| CAS No.: | 7772-98-7 |
| Molecular formula: | Na2S2O3 |
| Molecular Weight: | 158.108 |
| EC No.: | 231-867-5 |
| HS CODE: | 2832300000 |
| Melting Point: | 48ºC |
| Boiling Point: | 100ºC |
| Solubility | Soluble in water |
| Density: | 1.69 g/cm³ |
| Appearance and Properties: | Colorless transparent monoclinic crystal,odorless,Easy to dissolve in water and insoluble in alcohol; |
| Application: | 1) Used as fixing agent in photographic industry; |
2) It can be used in Electroplating, Water Purification and Leather tannin; | |
3) Used as reducing agent in chemical industry; | |
4) Used as Dechlorination agent in bleaching of cotton products; | |
5) Used as Dechlorination agent for pulp; | |
6) Used as detergents, disinfectants and discoloring agents in the pharmaceutical industry; | |
| Packing: | 1) 25Kg or 50Kg plastic woven bag with PE inner; |
| 2) 25Kg Paper-craft bag with PE inner; | |
| 3) 1,000Kg Ton bag with PE inner; |
Specification:
| ITEMS | SPECIFICATIONS | Test Result |
| Appearance | Colorless transparent crystal | Conform |
| NA2S2O3·5H2O | ≥ 99% | 99.4% |
| Water Insoluble Matter | ≤ 0.01% | 0.010% |
| Fe Content | ≤ 0.002% | 0.0016% |
| Sulfide(as NA2S) | ≤ 0.001% | 0.0009% |
| NaCL content | ≤ 0.05% | 0.045% |
| PH Value | 6.5-9.1 | 7.5 |
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