Pyromellitic Dianhydride

Chemical Name: (PMDA)Pyromellitic Dianhydride
Synonyms: 1,2,4,5-Benzenetetracarboxylic Anhydride
CAS: 89-32-7
EINECS: 201-898-9
Molecular Formula: C10H2O6

Pyromellitic Dianhydride (PMDA) is white crystal powder with melting point of 286℃-288℃ and Assay≥99.50%.
Widely used as molecular weight/intrinsic viscosity enhancer, curing agent for epoxy resins, intermediate for polyimide synthesis, high thermal resistant insulating enamels.