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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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