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By certification 
Sodium Thiosulfate Anhydrous is a white crystal powder, odorless, salty taste. The relative density of 1.667.Soluble in water, insoluble in alcohol. Easily to deliquesce in the air.
DESCRIPTION
SODIUM THIOSULFATE ANHYDROUS
Physical and Chemical Property: White powder
Molecular Formula: Na2O3S2
CAS No.: 7772-98-7
Einecs:231-867-5
Molecular Weight:158.11
Packing: 25kg PP bags,1ton bag
Specification
ITEMS |
STANDARD |
TEST RESULT |
Appearance |
White powder crystal |
Pass |
Purity (%) |
97.0min |
98.03% |
The insoluble substance in water(%) |
0.01%max |
PASS |
Sulphide(%) |
0.001%max |
PASS |
Fe(%) |
0.005%max |
0.0007% |
Application
1. It widely used as vat dyeing and reduction cleaning and printing and stripping in the textile industry widely
2.As textile bleaching.
3. It also can be used in bleached paper pulps, especially mechanical pulps, it’s the most favorable bleaching agent in pulps.
4.Used as a bleaching agent in kaolin clay, fur bleaching, bleaching of bamboo products, and straw products.
5. It is also used in the chemical industry for reducing agents.
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