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      1. Product
         

        Succinic Anhydride

         

         

        Additional name:

         

         

        Succinic acid anhydride; Succinyl oxide; Bernsteinsaure anhydride; Butanedioic anhydride; Dihydro-2.5-furandione

        CAS: 108-30-5
        Molecular formula: CH2CH2COOCO             C4H4O3

        Structure type:

        Molecular weight: 100.08
        Properties: colorless acicular crystals or granules. Soluble in ethanol, chloroform and carbon tetrachloride; slightly soluble in water and ethyl ether. Decomposes in hot water to succinic acid. mp 119.6, bp 261℃, d 1.503.
        Precaution: uccinic anhydride is irritating to eye and mucosa. Wash with large amount of water in case of eye contact. Seek medical attention if needed.
        Use: as analytical reagent; in manufacturing drug, agrochemcial, resin, etc.
        Packaging & Storage: plastic lined woven bag, net weight 25kg. Store in a cool dry place.


        Specification:
         

         
        A.R.
        C.P.
        Medicine grade
        Tech. grade
        Appearance
        white crystals
        white crystals
        white crystals
        white to light yellow crystals
        Assay %
        99.0-100.5
        98.0-100.5
        99.0
        98.0
        mp ℃
        118-122
        118-122
        117-121
        116-121
        Water dissolution test
        pass
        pass
        /
        /
        Residue on ignition %
        0.005
        0.01
        0.1
        0.2
        Cl %
        0.03
        0.2
          
           
        Color (APHA) %
          
            
        50
        100
        Pb %
           
        0.001
        0.002
           
        As %
           
        0.0002
        0.0005
           
        Fe %
           
        0.0005
        0.001
           
        KMnO4 test (0.1N ml/g)
           
        1
        2
           





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