Sodium Thiosulfate - Industry Grade

Chemical formula:

Na₂O₃S₂   

CAS No.:7772-98-7

Application: Mainly used in photographic and paper industry applications, tannery industry, chemical industry, pharmaceutical industry.  

The main parameters: 
 

Appearance	Colorless or light yellowish transparent monoclinic system crystal
Na2S2O3content %        ≥	99.1
pH Value	7.0
Melting point	40-45℃
Iron（Fe）	0.002
Sulfide	0.001
Water-insoluble matter	0.01

 

Package: 25kg, 50kg,500kg,1000kg and 1500kg per bags 
Storage: Keep away from sunlight, fire and source of heat, store in well ventilated and dry place. Keep package well sealed. Do separate stock from  oxidant and acid nature materials 

 

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