Sodium Metabisulphite
Molecular Formula: Na2S2O5
M.W.: 190.10
CAS No.: 7681-57-4
Properties: It is white or light yellow crystalline powder, relative density is 1.4.
Main Usage: It can be used as the material of medicine, or used as curing agent of rubber. It also can be used as dechlorinating agent and scouring agent of textile, in the process of leather treated. Moreover, it can be used as bleaching agent, loosening agent, antisepsis bactericide and antioxygen antistaling agent.
Packing: in 25kg net plastic woven bag lined with plastic bag.
Storage and transportation: This product should be stored in a cool, dry and well ventilated place and should be avoiding moisture and heat. Keep away from oxidant and toxic matter. When transport, avoid raining.
Main technical data:
|
ITEM |
STANDARD |
|
Assay (as Na2S2O5), % Min. |
96.5 |
|
Fe, % Max. |
0.005 |
|
Heavy metal (as Pb), % Max. |
0.001 |
|
As, % Max. |
0.0002 |
