Sodium Sulfite Suppliers, Sodium Sulfite Manufacturers.
Sodium Sulfite Anhydrous
1. Property: white gravel or powder crystal, relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform, solasulfone and Benzaldehyde in medical industry.
2. Molecular Formula : Na2SO3
3. Molecule Weight : 126.04
4. CAS NO .: 7757-83-7
5. Appearance : White Free Flowing Fine Crystal or Powder
6. Specification for Industry Grade and Food Grade :
Item | Quality Index | |
Industry Grade | Food Grade | |
Purity ( As Na2SO3) | 96.0% min | 98.0% min |
Sodium sulphate ( SO4) | 2.0% max | 1.0% max |
Chlorides ( As NaCL) | 0.5% max | 0.1% max |
Arsenic ( As ) | - | 0.0002% max |
Heavy metals ( As Pb ) | - | 0.0005% max |
Iron (Fe) | 0.005% max | 0.002% max |
Water insolubles | 0.05% max | 0.02% max |
8. Application :
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative . In starch and sweeteners production as bacteriostatic.
9. Packing: Packed in 25kg plastic woven bag, Kraft paper bag, PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer’s requirement
10. Storage: Store the product in a dry and cool place.
Company： |
Weifang Xinyuan Barium Co., Ltd. |
E-mail： |
chem@netsun.com |
Address： |
Taihua Domain,Shengli Street,Weifang,Shandong,China |
Zip Code： |
261041 |
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