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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