Sodium Thiosulphate
Molecular Formula: Na2S2O3
M.W.: 158.11
Melting Point: 48℃
CAS No.: 7772-98-7
Properties: White Crystals, odorless, soluble in water.
Main Usage: It is the fixing agent of photograph, antichlor and printing auxiliary of textile, printing and dyeing industry. It is also used in manufacturing of synthetic dye, insecticides, synthetic fabrics, it is still used in medicine, leather, paper making, mineral concentration industries etc.
Packing: in 25kg net plastic woven bag lined with plastic bag.
Storage and transportation: It must be stored in cool and dry place. Against damp. Keep away from sunlight and rain when transportation.
Main technical data:
|
ITEM |
STANDARD |
|
PURITY, % Min. |
99.0 |
|
INSOLUBLE MATTER IN WATER, % Max. |
0.01 |
|
SULPHIDE, % Max. |
0.001 |
|
Fe, % Max. |
0.001 |
|
PH |
6.5-8.5 |
