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  • Sodium Hydrosulfite

    Sodium Hydrosulfite

    Hazard Class: 4.2
    UN NO. : UN1384
    Synonyms :  Disodium salt; Sodium Sulfoxylate
    CAS No.: 7775-14-6
    Molecular Weight: 174.10
    Chemical Formula: Na2S2O4

  • Sodium Metabisulphite

    Sodium Metabisulphite

    Product name :  Sodium Metabisulphite

    Other Names: Sodium Metabisufite;Sodium Pyrosulfite; SMBS; Disodium Metabisulfite; Disodium Pyrosulphite;Fertisilo;Metabisulfitede Sodium; Sodium Metabisulfite (Na2S2O5);Sodium Pyrosulfite(Na2S2O5); Sodium Dissulfite;Sodium Disulphite; Sodium Pyrosulphite.

    Appearance: white or yellow crystal powder or small crystal ;Storage for a long time color gradient yellow.

    PH: 4.0 to 4.6

    Category: Antioxidants.

    Molecular formula : Na2S2O5

    The molecular weight : 190.10

    CAS : 7681-57-4

    EINECS : 231-673-0

    Melting point: 150(decomposition)

    Relative density (water =1) : 1.48

  • Sodium Sulfite

    Sodium Sulfite

    Appearance and appearance: white, monoclinic crystal or powder.


    Melting point () : 150 (water loss decomposition)

    Relative density (water =1) : 2.63

    Molecular formula: Na2SO3

    Molecular Weight: 126.04(252.04)

    Solubility: Soluble in water (67.8g /100 mL (seven water, 18 °C), insoluble in ethanol, etc.