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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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