sodium thiosulphate
Sodium Thiosulphate,sodium thiosulfate pentahydrate,Used in photographic and electroplate applications
Features:
1) Product: sodium thiosulphate photo grade
2) CAS no.: 10102-17-7
3) Molecular formula: Na2S2O3 .5H2O
4) Specific gravity: 1.729
5) Easily soluble in water and with strong reducing
|
Items |
Specification |
|
Na2S2O3·5H2O |
99.0% min |
|
Water-insoluble |
0.01% max |
|
Density and phase |
1.667 g/cm³, solid |
|
Solubility in water |
Very Soluble |
|
Melting point |
48.3 °C |
|
Boiling point |
N/A |
|
Basicity (pKb) |
N/A |
|
Sulphide(as Na2S) |
0.001% max |
|
Fe |
0.002% max |
|
PH Value(200g/l solution) |
6.5-9.5 |
Applications:
1) Used in photographic and electroplate applications
2) For purifying soft water and tanning hides
3) As a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur
dyeing agent, anti-whiting agent, detergent, disinfectant and color faking
agent
Packing:
25kg/plastic woven bag with PE liner inside |
