1. Sodium thiosulfate (HYPO) pentahydrate 99% and anhydrous 99% 2. CAS10102-17-7 (pentahydrate) and 7772-98-7 (anhydrous)

Sodium Thiosulfate Pentahydrate

CAS No 10102-17-7Molecular Formula Na2S203 5H20Molecular Weight 248.18

Na2S2O3.5H2O 99 % MinWater Insoluble:0.01 % MaxNa2S:  0.001 % MaxIron content 0.002 % MaxPH value: 6.5-9.5  

PH value:	6.5-9.5
Iron content	0.002 % Max
Na2S:	0.001 % Max
Water Insoluble:	0.01 % Max
Na2S2O3.5H2O	99 % Min
Molecular Weight	248.18

Sodium Thiosulfate Anhydrous

CAS No 7772-98-7Molecular Formula Na2S203Molecular Weight 158.18

Na2S2O3  99 % MinWater Insoluble:0.01 % MaxNa2S:  0.001 % MaxIron content 0.002 % MaxPH value: 6.5-9.5  

PH value:	6.5-9.5
Iron content	0.002 % Max
Na2S:	0.001 % Max
Water Insoluble:	0.01 % Max
Na2S2O3.5H2O	99 % Min
Molecular Weight	158.18

Application:

It is the fixing agent of photograph, antichlor and printing auxiliary of textile, printing and dyeing industry, It also used in manufacturing of synthetical dye, insecticides, synthetic fabrics. It is still used in medicine, leather, paper making, mineral concentration industries etc.

Appearance: White crystal clava

Package: 50lb or 25kg paper bag, 25kg PP woven bag

Sodium Thiosulfate Pentahydrate (HYPO)