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Sodium Thiosulfate pentahydrate 5
1.Another name: Sodium thiosulfate 
2. Molecular formula: Na2S2O2 .5H 2O 
3. Molecular weight: 248.17
 4.Properties :monoclinic crystal, Melting point : 40 -45oC , Relative density :1.729( 17 oC  ). 


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.Packing:25kg , 50kg plastic woven bag, or following your demand.


 7.Specification of Sodium Hyposulphite
Item Specifications    
Appearance colorless crystal granular    
Assay ≥99.00%    
Water Insoluble matter ≤0.01%    
Sulfide ≤0.001%    
Fe ≤0.002%    
PH 6.5-9.5    
Water solution reaction in accordance with the test