High-purity liquid crystal intermediates

3,4'-Oxydiphthalic Anhydride  50662-95-8

Synonyms:ODPA-3,4'

Appearance:off white powder 

Purity:99.5%min

Physical and Chemical Properties

• Molecular Formula: C₁₆H₆O₆

• Molecular Weight: 294.22

• Melting Point: 184 – 188 °C

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

• Storage: Keep sealed, dry, protect from moisture

Applications

• Used as an important aromatic dianhydride monomer for polyimide (PI) resins.

• Provides polyimides with excellent thermal stability, good mechanical properties, and low dielectric constant.

• Applied in high-temperature coatings, films, electronic encapsulation, aerospace and microelectronic materials.

• HS Code: 2932990090