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Sodium Metabisulfite CAS#7681-57-4
Basic Information
High Chemical Purity and Crystalline Form：Sodium metabisulfite appears as a white crystalline or powdery solid, indicating stable quality and suitability for controlled industrial applications.
Characteristic Mild Sulfur Odor for Easy Identification：The slight sulfur smell allows for quick recognition during handling and processing, helping ensure correct usage and safety control.
Strong Reactivity at High Temperature：It decomposes under high heat to release sulfur and sodium oxides, making it useful in chemical reactions that require controlled decomposition and reducing properties.
Effective Reducing and Preserving Agent：Its ability to release reactive sulfur compounds makes it valuable in industries requiring antioxidant, preservative, or bleaching functions.
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Product Description of Sodium Metabisulfite CAS#7681-57-4
Sodium Metabisulfite (Na₂S₂O₅) is a white crystalline or powdery solid with a faint sulfur odor. It is toxic by inhalation and causes severe irritation to skin and mucosal tissues. At high temperatures, it decomposes, releasing toxic fumes of sulfur oxides and sodium oxide.
Product Application of Sodium Metabisulfite CAS#7681-57-4
Sodium Metabisulfite has strong reducing properties. It is widely used in the food industry as an antioxidant, preservative and bleaching agent for meat, wine, preserved fruits and other products.
It is also extensively applied in textile printing and dyeing, papermaking and pulping, water treatment, leather softening and other chemical processes. In the pharmaceutical industry, it acts as a synthetic intermediate and an antioxidant for injectable preparations. Additionally, it is used in photography, rubber processing, agriculture and other fields.
Notably, Sodium Metabisulfite releases toxic sulfur dioxide when contacting acids. It should be stored in a tightly sealed container in a cool and dry place, and kept away from acids and oxidizing agents.
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FAQ
1. What kind of company is Bohai New Materials?
Bohai New Materials (Tianjin) Co., Ltd. is a foreign trade company specializing in the international trade of chemical products, located in the Binhai New Area of Tianjin. Leveraging the strategic location of Tianjin Port, the company provides one-stop procurement and export services to global clients for a wide range of products, including plastic resins, basic chemical raw materials, fine chemicals, chemical fiber raw materials, and inorganic chemicals.
2. Which markets does the company serve?
Our products are primarily exported to Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia), the Middle East (UAE, Saudi Arabia), Africa (Nigeria, Kenya), as well as Europe and the Americas.
3. Does the company have the qualifications to export hazardous chemicals?
Yes. We hold a valid license for the operation of hazardous chemicals and are well-versed in the export declaration, packaging, documentation, and transportation requirements for various types of hazardous goods. We are capable of handling the export of Class 3, Class 5, Class 8, and Class 9 hazardous chemicals.
4. What are the company's main products?
Our core product portfolio includes:
Plastic resins: PP, PE, PVC, ABS, PC, POM, etc.
Basic chemical raw materials: Soda ash, caustic soda, titanium dioxide, methanol, styrene, ethylene glycol, PTA, etc.
Fine chemicals: Pharmaceutical intermediates, pesticide intermediates, chemical additives, solvents, surfactants.
Chemical fiber raw materials: Polyester filament, polyester staple fiber, polyester chips (PET).
Inorganic chemicals: Calcium carbonate, talc powder, sodium sulfate, calcium chloride, magnesium chloride, etc.
Others: Paraffin wax, white oil, petroleum jelly (Vaseline), rubber, water treatment chemicals, etc.
If you have specific product requirements, please feel free to contact us; we will quickly source high-quality products to meet your needs.
5. How can I obtain a product quote? What information is required?
You can contact us via our official website, by phone, or by email. To ensure a quick and accurate quote, please provide the following details: product name and specifications, target purchase quantity, destination port, and desired delivery time. Please also inform us of any special packaging or testing requirements.
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