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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 High Purity Grade
Information
|
Appearance |
White 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 |
National Standard |
Typical |
|
Sodium sulfite (Na2SO3) content, % |
≥98.0 |
98.8 |
|
Iron (Fe)% |
≤0.01 |
0.00046 |
|
Free base(In Na2CO3)% |
≤0.60 |
0.23 |
|
Arsenic (As) mg/kg |
≤2.0 |
0.01 |
|
Heavy metal (in Pb) mg/kg |
≤10.0 |
<10.0 |
|
Appearance |
White crystalline powder |
Pass |
|
Clarity |
Pass |
Pass |
Application
-
Food - Bleach; Preservative; Loosening agent; Antioxidant; Reducing agent in producing dehydrated vegetables; Drinking water treatment.
Photosensitive industries - it is used as a developer.
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.
