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 Products
50% Potassium thiosulfate solution (PTS)
Synonym:Thiosulfuric acid(H2S2O3),Potassium
Salt(1:2) Molecular formula: K2S2O3
Molecular weight: 190.32
CAS No.:13446-50-9 EINECS
No.: 233-666-8
Properties: colorless or light yellow clear liquid;
| Item Name |
Unit |
Index |
Assay (as K2S2O3), w ≥ |
g/100g |
50 |
Potassium content (as K2O),
≥ |
g/100g |
24.7（Calculated
value） |
Sulfur content (as S),
≤ |
g/100g |
16.8（Calculated
value） |
Sulfide(S),
≤ |
g/100g |
1 |
Sulfate (as SO4)
≤ |
g/100g |
2 |
PH(Tech,25℃) |
|
7～9 |
Specific gravity (g/cm3) |
|
1.44～1.48 |
Shelf period: |
|
2 years since manufacturing date. |
Packing of 50% liquid: 36.5KG/plastic PE drum(25L), 262.8KG/drum(180L), 1460KG/bulk drum(1000L), or following your demands.
Uses: Used as a photographic fixing agent, dechlorinating agent after pulp is bleached or cotton fabrics are bleached. Or used as medicinal detergent and disinfectant. In food Industry, it can be used as a chelating agent and antioxidant. For agricultural purpose, it can be used as potassium fertilizer of chlorine-jealous plants.
Registered purposes in EPA: Pesticide, herbicide, acaricide.
Transportation & storage: kept in dry, dark and cool place. No mix with oxidants.
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