Sodium Hyposulfite

Characteristics:
Sodium thiosulfate is a colorless crystalline compound that is more familiar as the pentahydrate, Na2S2O3.5H2O, an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or “hypo.” The thiosulfate anion is tetrahedral in shape and is notionally derived by replacing one of the oxygen atoms by a sulfur atom in a sulfate anion.
Molecular formula: Na2S2O3·5H2O Molecular weight: 248.17

 

 

 

Specifications

Grade	Chemical Compositions%
	Sodium Hyposulfite	Water Insolube Matter	Sulfidu	Iron	PH Value
	Min	Max
Excellent	98.0	0.01	0.001	0.002	6.5-9.5
First Grade	99.0	0.03	0.003	0.003	6.5-9.5

 

 

 

 

 

 

 

Storage and Handling:
Storage: Store in cool, clean, dry place away from acid,oxidant e. g.
Handing: Keep away from strong sunlight and rain when transferring product from one place to another.
Application:
Also named as a photo fixer,dechlorination in bleached textile materials, major materials of insecticides with high efficiency and low toxin, also used in leather making, medical industry ,chemical industry and cemented.
Package :Double layers,25kgs for each bag, polyethylene film bag for inner layer, fastened with nylon equal wire, plastic woven bag for outer layer,sritched with Nylon or equal wire