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      Pyromellitic dianhydride(PMDA)


      1.Product NamePyromellitic dianhydride(PMDA)

      2.CAS NO.:89-32-7

      3. Structural Formula: 

       

      4. Molecular Formula: C10H2O6 

      5. Quality indexes:

      ITEM

      Standard Value

      Appearance

      White or light yellow crystal-like

      Assay(%)

      ≥99.50

      Meiting Point(℃)

      286-288℃

      ≤1300(ppm)

      ≤1300


      6.PACKING AND RESERVATION
      External Package is plastic barrel or Fiber Drum (or use iron barrel according to customer's request), 20-200kg/barrel. Internal Package is polyethylene cuticle bag, Store in shady and dry place,and keep off heart sourc
      e





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