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                                                              Sodium metabisulfite
                                                              Product Name
                                                              Sodium metabisulfite
                                                              CAS NO.
                                                              7681-57-4
                                                              EINECS
                                                              231-673-0
                                                              Molecular formula

                                                              Na2S2O5

                                                              Molecular weight
                                                              190.1065
                                                              Risk terms
                                                              R22; R31; R41;
                                                              Safety terms
                                                              S26; S39; S46;
                                                              Properties

                                                              Properties: White or slightly yellow crystalline powder.  
                                                              Relative density: 1.4
                                                              Solubility: soluble in water, acidic aqueous solution. Soluble in glycerol, slightly soluble in e

                                                              Use
                                                              Used as bleach, mordant, reducing agent, rubber coagulant, also used in organic synthesis, pharmaceutical and spices, etc.



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