Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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Potassium Metabisulfite

    Specifications

    HS Code

    290597

    Chemical Name Potassium Metabisulfite
    Chemical Formula K2S2O5
    Molar Mass 222.32 g/mol
    Appearance White crystalline powder
    Solubility In Water 65.2 g/100 mL (20°C)
    Density 2.34 g/cm³
    Melting Point 190°C (decomposes)
    Odor Sharp, sulfurous
    Cas Number 16731-55-8
    E Number E224
    Ph 4.0-5.0 (1% solution)
    Stability Stable under recommended storage conditions
    Uses Antimicrobial and antioxidant, commonly used in wine and food preservation

    As an accredited Potassium Metabisulfite factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, opaque plastic bottle labeled "Potassium Metabisulfite, 500g." Features hazard symbols, tight screw cap, and batch number for identification.
    Storage Potassium Metabisulfite should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible materials such as acids and oxidizers. The chemical should be kept in tightly sealed containers, clearly labeled, and protected from direct sunlight. Store away from foodstuffs and sources of ignition. Ensure that storage areas have proper spill containment and are equipped with safety equipment.
    Shipping Potassium Metabisulfite should be shipped in tightly sealed, clearly labeled containers to prevent moisture ingress and contamination. Store and transport it in a cool, dry, well-ventilated area away from acids and oxidizers. Comply with local, national, and international regulations for hazardous materials. Use suitable protective packaging and include safety documentation.
    Free Quote

    Competitive Potassium Metabisulfite prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@sinochem-nanjing.com