We have a number of employees with rich working experience and good execution ability, adhere to the principle of 'opening up the market with quality, winning customers with integrity', and strive to create high-quality and first-class Soy Protein, Monopotassium phosphate, Cas No. 461-58-5. In the face of increasingly fierce market competition, our company will continue to take the market as the guidance, customer service as the center and scientific and technological progress as the driving force to continuously improve the product brand image. We sincerely hope to establish a good long-term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future. High quality brand service and excellent corporate culture build the core competitiveness of our company, constantly meet the growing needs of customers, so that our company can achieve sustainable development and ensure the first-class brand status in the industry. We sincerely hope that all clients will build long-lasting and mutually effective cooperation with us.
Products Description

| CAS No. | 7681-57-4 |
| Grade | Industrail Grade / Food Grade |
| Molecular Formula | Na₂S₂O₅ |
| Molecular Weight | 190.10 g/mol |
| Appearance | White or slightly yellowish crystalline powder |
| Packaging | 25kg bag, ton bag |
| Storage | Keep tightly closed in a cool, dry place |
Specifcation
| Item | Specification | |
| Purity (Na2S2O5) | Minimum 98.0% |
Minimum 97.0% |
| Sulfur dioxide (SO2) |
Minimum 65.0% |
Minimum 65.0% |
| Arsenic (As) | Max. 0.0002% |
- |
| Heavy metals (e.g. Pb) |
Max 0.0005% |
- |
| Selenium (Se) |
Max 0.0005% |
- |
| Iron (Fe) |
Max 0.001% |
Max 0.002% |
| Insoluble in water |
Max 0.02% |
Max 0.05% |
| PH value |
4.0-4.8 |
4.0-4.8 |
| review | Meets FCC V and E 223 standards | |
Application
Food & beverage industry & water treatment
The product can be used in a number of areas of introduction



Sodium Metabisulfite can be used as a preservative and antioxidant in food grade, which can effectively inhibit the growth of microorganisms and extend the shelf life of food. It can also be used in the beverage industry to effectively sterilize and inhibit the excessive reproduction of miscellaneous bacteria and yeast. Sodium Metabisulfite can be used in the industry for water treatment dechlorination agents and circulating cooling water systems, and can also be used in the textile industry and paper industry
FAQ
Q: What's your MOQ?
A: Usually, our MOQ is 1MT. If the quantity is too small, the sea freight will be higher.Of course, if you have special needs, you can also contact us, we will do our best to satisfy you.
Q: What's your payment terms?
A: We accept T/T or Irrevocable L/C.
Q: Can i get samples?
A: free samples is available,but freight charges will be at your account and the charges will be deducted from your order in the future.
Q: How long is your delivery/lead time?
A: Generally it is 2 weeks if the goods are in stock. Or it is 1-4 weeks if the goods are not in stock, it depents on your quantity.
Q: Can you make packing and logo as customer's request?
A: Yes, we can. Usually, we provide neutral packing, if you need customized packaging or logo, please inform us.
Q: What documents can you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA, if you have any special requirements in your market, please inform us.
[[ContDescription]]
Hot Tags: sodium metabisulfite cas no.: 7681-57-4, China, manufacturers, suppliers, factory, buy, bulk, list, low price, Sodium Thiosulfate, Polyglycerol fatty acid ester, E262, Monocaprin, DATEM, CMG

