Pyromellitic Dianhydride with 89-32-7 – Bild 2

Pyromellitic Dianhydride with 89-32-7

CAS: 89-32-7
MF: C10H2O6
MW: 218.12
EINECS: 201-898-9

Synonyms: 1,2,4,5-Benzenetetracarboxylic dianhydride; PMDA; 1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;1,2,Chemicalbook4,5-Benzenetetracrboxylicdianhydride;pyromelliticacidanhydride;pyromelliticaciddianhydride;Pyromelliticanhydride;1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE

What is of Pyromellitic Dianhydride with 89-32-7 ?

Pyromellitic Dianhydride (PMDA), with the CAS number 89-32-7, is an aromatic tetracarboxylic dianhydride widely used as a key raw material in high-performance polymers. Known for its high thermal stability and strong chemical resistance, PMDA is essential for manufacturing polyimide resins, epoxy curing agents, and polyester resins.

As a high-purity organic intermediate, Pyromellitic Dianhydride PMDA plays a critical role in advanced applications across the electronics, aerospace, coatings, and composite materials industries.

Beschreibung

Aussehen	White crystals
Melting Punkt	286℃-288℃
Free acid contend	≤0.5wt%
REINHEIT(%)	≥99.5%

Applications of Pyromellitic Dianhydride (PMDA)

1. Polyimide Resins

PMDA is the core raw material in the production of polyimide films, fibers, and coatings, which are known for their outstanding thermal stability, dielectric strength, and mechanical durability. These materials are widely used in flexible printed circuits, insulation coatings, and aerospace components.

2. Epoxy Curing Agents

Used as an anhydride curing agent, Pyromellitic Dianhydride provides improved heat resistance, chemical stability, and mechanical strength in epoxy systems, suitable for electronic encapsulation and industrial coatings.

3. Polyester and Alkyd Resins

PMDA serves as a modifying agent to improve the rigidity and heat resistance of polyester and alkyd resins, expanding their use in high-performance coatings and adhesives.

4. Engineering Plastics and Composite Materials

In combination with other dianhydrides or diamines, PMDA contributes to high-performance engineering plastics such as PEI (polyetherimide) and PI composites, which are valued in automotive and aerospace fields.

Pyromellitic Dianhydride Price and Supply

The Pyromellitic Dianhydride price may vary depending on purity, packaging, and order quantity. As a reliable Pyromellitic Dianhydride supplier, we provide high-quality PMDA with consistent batch performance and competitive pricing.
For the latest Pyromellitic Dianhydride CAS 89-32-7 price or to request a quotation, please contact our sales team for detailed specifications and bulk order support.