Nanjing Feixiang Chemical Technology Co.,Ltd.

Nanjing Feixiang Chemical Technology Co.,Ltd.

water treatment chemicals,corrosion inhibitors, special chemical supplier
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Products

Sodium thiosulfate

Product Name:
Sodium thiosulfate
No. :
Cas No: 7772-98-7
:
:

                                                                               Sodium thiosulfate

1.Product name: anhydrous phosphoric acid 
2.Molecular formula: Na2S2O3·5H2O
   Molecular weight: 248.17
3.Cas No: 7772-98-7
   Eiencs No:231-867-5
4.Specification:

Item

Index

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

---

 5.Use: this product is used for the industries like leather, paper, textiles etc. Used as fixer,  sulfur dyeing agent, reductant, dechlorinating agent, decolor agent and  blush preventive agent, disinfectant.
6.package: 25kg, 50kg/ bag


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