| Model: | 7681-57-4 |
|---|---|
| Brand: | Wanhong |
| Origin: | Made In China |
| Category: | Chemicals / Inorganic Chemical Materials / Inorganic Salt |
| Label: | sulphate |
| Price: |
-
|
| Min. Order: | 25 MT |
| Live Chat: | Last Online:21 Nov, 2013 |
|
Classification |
Sulphate |
|
Type |
Sodium Metabisulfite |
|
CAS No. |
7681-57-4 |
|
MF |
Na2S2O5 |
|
EINECS No. |
231-673-0 |
|
Place of Origin |
Shandong, China (Mainland) |
|
Grade Standard |
Industrial And Food Grade |
|
Purity |
97% |
|
Appearance |
White powder |
|
Application |
Medicine printing and dyeing, leather, chemical, light industries |
|
Minimum Order Quantity: |
23 Tons |
|
Port: |
Qingdao |
|
Packaging Details: |
25/50/1000 kg bags |
|
Delivery Time: |
15 days |
|
Supply Ability: |
100000 Ton/Tons per year |
Certificate Of Analysis
|
Item |
National standard HG/T2826-2008 |
Companies often value |
|
|
Glassy article |
Grade a |
||
|
Main content(with Na2S2O5), % min |
96.5 |
95.0 |
97.0 |
|
Iron(Fe), % max |
0.005 |
0.010 |
0.002 |
|
Water insolubles content, % max |
0.05 |
0.05 |
0.02 |
|
Arsenic(As) content, max |
0.0001 |
----- |
0.0001 |
Application:
Sodium metabisulfite, chemical formula Na2S2O5, is a kind of inorganic compounds. It when used as a disinfectant, antioxidant and antiseptic.
*1. pharmaceutical industry: used in the production of chloroform, benzene, propyl sulfone and benzaldehyde. Rubber industry used as curing agent.
*2. printing and dyeing industry: used as a dechlorination agent after bleaching cotton, cotton scouring agent.
*3. leather industry: used in leather processing, can make leather soft, plump, tenacious, with waterproof, bending, wear-resisting performance, etc.
*4 chemical industry for the production of hydroxyl vanillin, hydroxylamine hydrochloride, etc.
