4-Phenylethynylphthalic anhydride

CAS：119389-05-8

Synonyms

• PEPA

• 4-(Phenylethynyl)isobenzofuran-1,3-dione

• 4-Phenylethynylbenzene-1,2-dicarboxylic anhydride

Uses

• Key monomer and end-capping agent for synthesizing high-performance polyimide resins.

• Applied in the preparation of heat-resistant composite materials, electronic packaging materials and aerospace polymer materials.

• Used as raw material for flame-retardant materials, high-temperature resistant adhesives and circuit board substrate resins.

• Serves as an important fine chemical intermediate for organic synthesis and optoelectronic functional materials.

HS Code

2917350000