| Sodium Thiosulfate
Formula: Na2S2O3·5H2O
Molecular Weight: 248.18
CAS No.: 10102-17-7
Specifications:
Index name |
Photographic grade |
Technical grade |
Sodium thiosulfate % min |
99.0 |
98.5 |
Insoluble substance in water % max |
0.01 |
0.03 |
Sulfuret (base on S) % max |
0.001 |
0.003 |
Ferrum (base on Fe) % max |
0.001 |
0.003 |
Aqueous solution reaction |
In accordance with test |
In accordance with test |
Granularity |
12-16 |
/ |
Appearance |
Colorless transparent |
Colorless transparent |
Specifications of sine aq sodium thiosulfate
Index name |
Index |
Sine aq sodium thiosulfate % min |
97.0 |
Insoluble substance in water % max |
0.03 |
Sulfuret (base on S) % max |
0.001 |
Ferrum (base on Fe) % max |
0.005 |
Appearance |
White powder |
Specification: Export grade, refined grade, technical grade, photographic grade(sine aq)
Packing: knitted bags with plastic liner,25kg, 50kg per bag,export packaing can be made according to the requirements of customers.
Use: used in fixers, reducers, as a blush preventive agent, and as a disinfectant. |
