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CONTACT US
Company: Choice Chemicals Ltd.
Address: You'a Headquarters Office Building,Chaoyang Front Street, Furong District, Changsha,Hunan Province 410000,China
Mobile: 0086 731 89878447
E-mail: info@choice-chem.com
Sodium sulphite anhydrous
Information
|
Appearance |
White powder or crystalline powder |
|
CAS No. |
7757-83-7 |
|
EINECS |
231-821-4 |
|
H.S. CODE |
2832100000 |
|
Molecular formula |
Na2SO3 |
|
Molecular weight |
126.04 |
Quality Standard
|
Component |
Industrial Grade |
Food Grade |
High purity Grade |
|
Sodium sulphite (Na2SO3) % |
≥96.0 |
≥97.0 |
98.0 |
|
Iron (Fe)% |
≤0.003 |
≤0.003 |
≤0.01 |
|
Free base(Na2CO3)% |
≤0.10 |
≤0.60 |
≤0.60 |
|
Arsenic (As) mg/kg |
- |
- |
≤2.0 |
|
(Pb) mg/kg |
- |
- |
≤10.0 |
|
Appearance |
White powder |
White crystalline powder |
White crystalline powder |
|
Clarity |
Pass |
Pass |
Pass |
Application
-
In food - bleaching, preserving, as a loosening agent, as an antioxidant, and as a reducing agent in producing dehydrated vegetables.
Treatment of drinking water.
It is used as a developer the photosensitive industries.
Medicine - production of chloroform, phenyl-propansulfone, benzaldehyde, etc.
Packaging & Transportation
Packaging:Externally consists of polypropylene woven bags,and internally of paper-plastic composite bags;Kraft paper bags lined with polyethylene plastic bags.
Net weight:25,50,or 1000kg bags,or customized according to customer requirements.
