Name: Sodium thiosulfate, sodium thiosulphate, Hypo
Molecular formula: Na2S2O2 .5H 2O 
Molecular weight: 248.17 

CAS NO.: 7772-98-7

Properties: monoclinic crystal, Melting point : 40 -45℃ , Relative density :1.729( 17 ℃   ).

Sodium Thiosulfate Appication:                                                   

1. in the photosensitive industry: It can be used as a photographic fixing agent
2. in the paper-making industry: the chlorine removal agent after pulp bleaching;
3. in the printing and dyeing industry: the dechlorination agent after cotton fabric bleaching
4. in the analytical chemistry: reagent for chromatography analysis and capacity analysis 
5. in the medicine: detergents and disinfectants; solve cyanide poisoning and mercury poisoning;
for skin itching, chronic urticaria, drug rash.
6. In the food industry: chelating agent, anti-oxidant, etc.,
Cautions:
Storage:Should be stored in a cool, dry storage room. Do not store in the open air, the moisture package should be handled promptly.
Transportation:Avoid exposure and rain during transportation.Do not mix with acid or oxidizer.The container must be sealed to prevent moisture melt.If the package is affected by the moisture, it is necessary to separate the contents from the dry packaging.It can be saved with water sand in case of fire.

Hebei yanxi chemical co., ltd is a professional research and development of the production of lead acetate, 2-phenylethylamide enterprises.under the innovation in traditional production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of reducing the cost of products to make the quality of products to the same industry. Under the close supervision of the quality inspection department of the company, we carry out production and sales in the way of "labeling", providing the most convenient and fastest service for users all over the world.

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