High Purity Pyromellitic Dianhydride CAS 89-32-7 PMDA 99% In China

Pyromellitic dianhydride (PMDA) CAS 89-32-7 is an organic compound with the formula C10H2O6. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. Pyromellitic dianhydride (PMDA) CAS 89-32-7 is an electron-acceptor, forming a variety of charge-transfer complexes. It reacts with amines to diimides, C6H2[(CO)2NR]2 which also have acceptor properties. It is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives).
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Product Details

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Product Description

Name

High purity Pyromellitic dianhydride CAS 89-32-7 PMDA 99% in china

Other name

PMDA;1,2,4,5-Benzenetetracarboxylic anhydride;Pyromellitic acid anhydride ;

Benzene-1,2,4,5-tetracarboxylic dianhydride

CAS

89-32-7

Applications

Organic intermediate for polyimide

Appearance

Off-white powder

Pyromellitic dianhydride (PMDA) CAS 89-32-7 is an organic compound with the formula C10H2O6. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton.

Pyromellitic dianhydride (PMDA) CAS 89-32-7 is an electron-acceptor, forming a variety of charge-transfer complexes. It reacts with amines to diimides, C6H2[(CO)2NR]2 which also have acceptor properties. It is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives).

Pyromellitic dianhydride (PMDA) CAS 89-32-79 could be supplied in commercial size with competitive price.

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