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 Products
Potassium thiosulfate
Synonyms: potassium thiosulphate, potassium
hyposulfate, KTS
Molecular formula: K2S2O3 .
H2O
Molecular weight:: 208.34
CAS No.:10294-66-3 ( Crystals );
13446-50-9 ( Liquid ) EINECS
No.:233-666-8
H.S.Code:
28323000.00
Properties: colorless monoclinic crystal. Smellless, with cold and bitter taste. Relative Density 2.59(Anhydrate, 20℃). Soluble in water easily, and its solution is one kind of slight alkaline fluid. Soluble in turpentine and ammonia, insoluble in alcohol.
LIQUID FORM (SOLUTION)
|
Items
|
Specifications |
| Appearance :
|
Colorless transparent liquid |
Purity [
as K2S2O3 ] (g /
100g ) :
≥ |
50 |
| Purity [ as K2O
] ( g / 100g ) :
≥ |
25 （Calculated value） |
| Purity [ as S ] ( g / 100g ) :
≤ |
17 （Calculated value） |
| PH ( 25℃ ) |
7--9 |
| Density ( g / cm3 )
|
1.385-1.550 |
| Free S ( g / 100g )
≤ |
1 |
Sulfate & Sulfite
[ as SO4 ] ( g / 100g ) ≤ |
2 |
Fe ( mg / kg
)
≤ |
200 |
| if
calculate as w/v, then the K = 30% and S = 25% |
Packing: In plastic drums of
250Kgs net, or following your demands.
CRYSTALS FORM
|
Items
|
Specifications |
| Appearance : |
White crystals |
Purity [ as K2S2O3 .
H2O ]
% ≥ |
98 |
Free S : % ≤ |
0.4 |
Sulfate & Sulfite [ as SO4 ] % ≤ |
1 |
Fe % ≤ |
0.02 |
Packing: In plastic woven bags of 25kgs net, or
following your demands.
Application
:
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
and chlorine-free fertilizer. also as pesticide, herbicide, acaricide
Transportation & storage: kept in dry, dark and
ventilating place. No mix with oxidants.
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