Polyimide Raw Materials PMDA From Dakenchem

Pyromellitic Dianhydride Polyimide Raw Materials PMDA From Dakenchem

General Description of Pyromellitic Dianhydride Pyromellitic dianhydride (PMDA) CAS NO.: 89-32-7 is a white or slightly yellow crystal in pure form. When exposed to humid air, it will quickly absorb moisture in the air and hydrolyze into pyromellitic acid. It is soluble in organic solvents such as dimethyl sulfoxide, dimethylformamide, acetone, and insoluble in ether, …

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