High-purity liquid crystal intermediates

3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride  6053-46-9

Synonyms:TCA

Appearance:white powder 

Purity:99%min 

Physical and Chemical Properties

• Molecular Formula: C₁₀H₈O₆

• Molecular Weight: 224.17 g/mol

• Melting Point: 201 °C

• Boiling Point: 517.5 ± 50.0 °C (predicted)

• Density: 1.567 ± 0.06 g/cm³ (predicted)

• Solubility: Soluble in polar aprotic solvents (DMF, DMAc, NMP); sparingly soluble in water

• Stability: Stable under normal conditions; store in a cool, dry place, sealed from moisture

Uses

• Polyimide Monomer: Key dianhydride monomer for synthesizing high-performance polyimides (PI) with excellent thermal stability and mechanical properties

• Electronic Materials: Used in photosensitive polyimides, high-temperature insulating coatings, and flexible printed circuit (FPC) materials

• Advanced Composites: Applied in aerospace, microelectronics packaging, and high-temperature resistant composite materials

• HS Code: 2917200000