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chemicals/inorganic salts/sulphate/sodium thiosulfate anydrous Na2S2O3 (HYPO) 99% purity
chemicals/inorganic salts/sulphate/sodium thiosulfate anydrous Na2S2O3 (HYPO) 99% purity

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Sodium Thiosulfite(HYPO)
be usde in metallurgy,papermaking,oil,textail,soap ect.
best quality&competitive price
free sample

1.Other Names:Sodium Thiosulphate, Hypo.Hyposulphite of Soda

2.Formula : Na2S2O3·3.M.W. : 48.2

4.Packing: 25kg/bag PP/PE

5. Use: Used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. And decolor agent

6.Appearance: onoclinic system crystal,colorless transparent body.
7.Specifications: Produced in accordance with HG/T2328-92 standard of Chemical Industry Department of China.

 

Item

Photographic grade

Industrial grade

 

Appearance

colorless transparent crystal

colorless transparent crystal

 

Assay

≥99.00%

≥98.5%

 

Water Insoluble matter

≤0.01%

≤0.03%

 

Sulfide

≤0.001%

≤0.003%

 

Fe

≤0.001%

≤0.003%

 

PH

6.5~9.5

6.5~9.5

 

Water solution reaction

in accordance with the test

in accordance with the test

 

Granularity(g/g)

12~16

 

 

Items

Specification

Na2S2O3·5H2O

99.0% min

Water-insoluble

0.01% max

Sulphide(as Na2S)

0.001% max

Fe

0.002% max

PH Value(200g/l solution)

6.5~9.5

Density and phase

1.667g/cm³,solid

Solubility in water

Soluble

Melting point

48.3°C

Boiling point

N/A

Basicity (pKb)

N/A

 

 

 

 

 

 

 

 

 

 

 

 

 

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