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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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