Product Specification
Sodium metabisulfite
Purification Description: Sodium metabisulfite (chemical formula: Na2S2O5) appears as a white crystalline or powder solid with a slight sulfur odor. It is toxic upon inhalation and can strongly irritate skin and tissue. It can be decomposed to release toxic oxide fumes of sulfur and sodium upon high temperature. It can be mixed with water to form a corrosive acid. It is generally used as disinfectant, antioxidant, and preservative agent as well as a laboratory reagent. As a kind of food additive, it can be used as a preservative and antioxidant in food. It can also be applied to the wine and beer making. Moreover, it can be used to sanitize the equipment of homebrew and winemaking as a cleaning agent. It also have various kinds of other applications, e.g. being applied to photography, as an excipients in some tablets, for water treatment, as a source of SO2 in wine, as a bactericide and as a bleaching reagent as well as reducing agent.
Product Usages:
1. In the pulp and paper industry, in the photographic industry and in the various other industries as a bleach or dechlorinator.
2. Food Grade sodium metabisulfite may be used as a food preservative. It is also commonly added to various food products and wines as a preservative.
3. Sodium metabisulfite can also be used in the manufacture of other chemicals, Used in production of cleaning agents, detergents, and soaps.
4. It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream, as the source of sulfur-dioxide and in the destruction of cyanide in commercial gold cyanidation processes.
5. Gold mining industry: It is utilized in the precipitation of gold from auric acid as well as in the waste water treatment to remove hexavaent chromium as trivalent chromium by precipitation after reduction.
| Product Name | Sodium metabisulfite |
| CAS | 7681-57-4 |
| MF | H2O5S2.2Na |
Melting point
| >300 °C (lit.) |
| storage temp. | Store at +5°C to +30°C. |
| Density | 1.48 (rough estimate) |
| Form | Crystalline Powder |
| Solubility | 540 g/L (20°C) |
| PH | 3.5-5 (50g/l, H2O, 20℃) |
| HS Code | 2832 10 00 |
Sample for testing available,For more product details,please contact us by
Email:admin02@hsnm.com.cn
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Company Profile
Wuhan Hansheng New Material Technology Co. Ltd is a professional company which specializeds in manufacturing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents.
We have long term cooperation pharmaceutical raw material production plant and a reagent research and development center, with a rich professional background and strong competitive advantage. We have a professional and experienced team and we promise clients to provide the best quality, price and service. During the business cooperation with clients, we alway adhere principe of Honesty, Trustworthiness and win-win policy. We guarantee 100% qualification of our products pass through the standard of USA, Mexicao, UK, Australia, Canada, Brazil, France, Germany, Spain, Belgium, Sweden, the Netherlands and so on.
Packing & Shipping
FAQ
1:Can I get some samples before bulk order?
Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
For the high value product, our MOQ starts from 10g,100g and 1kg.
3: Which kind of payment terms do you accept?
PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union, L/C, Alibaba trade assurance, Cashapp,Moneygram or Bitcoin.
4.How to place an order?
You can contact me through Trademanager, WhatsApp, Skype Online and other contact methods, tell me the product and quantity you need, and then we will give you a quote. If you choose one of the above payment methods, we will arrange the delivery for you.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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