Pyromellitic Dianhydride

CAS# 89-32-7

Product Description

Pyromellitic dianhydride (PMDA) is a key chemical intermediate known for its role in the production of high-performance polymers and materials.

Product:

Pyromellitic Dianhydride

CAS:

89-32-7

Synonym:

Pyromellitic acid anhydride; Benzene-1,2,4,5-tetracarboxylic dianhydride

Structure:

Typical Characteristics

Appearance

White powder

Boiling point

397-400 °C

Density

1.68 g/cm3

Melting point

283-286 °C

Molecular Weight

218.12

Purity

97%

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We Offer Pyromellitic Dianhydride
in various grades

A few of the grades available are listed below:

Pyromellitic Dianhydride used in many
industry applications

Pyromellitic dianhydride (PMDA) is a key chemical intermediate known for its role in the production of high-performance polymers and materials. Its industrial applications include:

  1. Production of Polyimides: PMDA is widely used in synthesizing polyimide polymers, which are known for their exceptional thermal stability, mechanical properties, and electrical insulation characteristics. These polymers are crucial in the electronics industry for manufacturing insulating films, flexible circuits, and advanced composites.
  2. Aerospace and Automotive Composites: The high-performance materials made from PMDA-based polyimides are used in aerospace and automotive industries for components that require excellent heat resistance and mechanical strength.
  3. Coatings: PMDA is employed in the formulation of coatings that demand high heat resistance and chemical stability. These coatings are applied in various industrial equipment, electronic devices, and cookware.
  4. Electronics Industry: In the production of semiconductor devices and integrated circuits, PMDA-based polyimide materials serve as dielectric insulators and protective coatings, enabling the miniaturization and enhanced performance of electronic components.
  5. Adhesives: High-performance adhesives formulated with PMDA are used in applications requiring thermal stability and strong bond strength, including electronic components and aerospace parts.
  6. Insulating Films: The polyimide films produced from PMDA are used as insulation in electrical and electronic applications, including cable and wire insulation, capacitors, and flexible printed circuits.