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        Welcome to visit Haimen Wuyang Chemical Industry Co.,Ltd. official website! Home | Contact Us | Admin | 中文版

        Products Position: Hone > Products
        Sodium metabisulfite

        1. Product description:
        English name: Sodium Pyrosulfite;sodium pyrosulfite
        CAS No.: 7681-57-4
        Molecular formula: Na2S2O5
        Molecular weight: 190.09
        Density 1.48。
        White acicular crystal with strong SO2 odor. Slightly soluble in alcohol. Melting point is 150℃.
        2. Uses:
        Sodium metabisulfite can be widely used in pharmaceutical industry, rubber industry, in bleaching leather, fabric and organic matter, or as mordant in printing and dyeing industry, etc.
        3. Sodium metabisulfite:

        Item Index
        Content Na2S2O5% > 98
        SO2% > 66
        Thiosulfate S2O3% ≤0.04
        Iron Fe % ≤0.0005
        Heavy metal Pb % ≤0.001

        4. Hazardous characteristics:
        Strong reducing property.
        5. Notes:
        Keep in cool, dry and well-ventilated warehouse. Keep away from fire and heat. Keep the container airtight. Separate from oxidants, acids, and edible chemicals.

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