High-purity liquid crystal intermediates

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 5,5'-[1,1'-biphenyl]-4,4'-diyl ester  10340-81-5

Synonyms:TAHQ-BP

Appearance:Light yellowish-green to white powder

Purity:99.5%min 

Physical and Chemical Properties

• Molecular formula: C₃₀H₁₄O₁₀

• Molecular weight: 534.43 g/mol

• Melting point: ~270–275 °C

• Solubility: Soluble in DMF, DMAc, NMP; insoluble in water

• Stability: Hygroscopic, store sealed in dry and cool place

Uses

• Dianhydride monomer for high-performance polyimides (PI)

• Provides high Tg, good thermal stability, mechanical strength and solubility

• Used in high-temperature films, coatings, adhesives and advanced composite materials

• HS Code: 2917399090