| CAS No.: | 7681-57-4 |
|---|---|
| Color: | White |
| Appearance: | Granule |
| CAS: | 7681-57-4 |
| Grade: | Industral Grade |
| Transport Package: | 25kg/Bag |
| Samples: |
|---|
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Audited Supplier Chemical Name: Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecular Weight: 190.09
CAS: 7681-57-4
Character: White or yellow crystalline powder or small crystalline, soluble in water.
Usage: In the food industry, it serves as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents, and preservatives. In the pharmaceutical industry, it is used for the production of phenylpropane and benzaldehyde. In the rubber industry, it acts as a coagulant. In the printing and dyeing industry, it is utilized as a dechlorination agent for cotton bleaching and a cotton cooking agent. In the tannery industry, it is employed for leather treatment to make leather soft, plump, tough, waterproof, anti-folding, and wear-resistant.
Company Name: Nanjing Jiayi Sunway Chemical Co., Ltd.
| Items | Specification | Results |
| Content(Na2S2O5) % | 96.5min | 97.0 |
| Fe % | 0.003max | 0.002 |
| As % | 0.0001max | 0.00008 |
| Heavy metal(Pb) % | 0.0005max | 0.0001 |
Packing: Each bag contains 25kg of the product, packed with a polyethylene inner layer and a compound plastic woven outer layer.
Storage and Transport: Store in a dry and ventilated warehouse, away from moisture and heat. Handle with care during unloading to prevent damage. Store separately from poisonous substances.
Located in Nanjing, we specialize in producing and selling food additives such as Calcium phosphate, Sodium diacetate, acetate, sulfate, citrate, phosphate, sodium alginate, and agar. Our company integrates research, development, production, and sales, with factories across China. We have a professional international trade team and aim to build strong relationships globally.
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Audited Supplier 
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