sell pyromellitic dianhydride; 1,2,4,5-benzenetetracarboxylic anhydrid; PMDA

pyromellitic dianhydride;

1,2,4,5-benzenetetracarboxylic anhydride

Molecular Formula  C10H2O6

Molecular Weight  218.12

CAS Registry Number  89-32-7

Appearance:White powder

Purity:99.5%

pyromellitic dianhydride (1,2,4,5-benzenetetracarboxylic anhydrid) be used for preparation polyimide and epoxy resin material.