Product DescriptionProduct Description:                                        
 

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 ℃   ). 
 
 
Specification:                                                                                                                                                                                                                     
 
 ItemsSpecifications
Appearancecolorless crystal granular
Assay≥99.00%
Water Insoluble matter≤0.01%
Sulfide≤0.001%
Fe≤0.002%
PH6.5-9.5
Water solution reactionin accordance with the test
 

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.

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