CAS No.: 36978-41-3
Product name: 2,3,3',4'-BiphenyLtetracarboxylic Dianhydride
Abbreviation: α-BPDA
Appearance: White powder
Purity(HPLC): ≥99.5%
Metal ion content: The total metal ≤ 500 ppb
Molecular formula: C16H6O6
Molecular weight: 294.22
Package: In Aluminum foil bag, cartons outside.
Storage: Preserve in a well-closed container and keep in cool, dry place, avoid light.
2,3,3',4'-Biphenyl tetracarboxylic dianhydride has a wide range of applications in the chemical field. It is an important intermediate for organic synthesis and can be used to synthesize polyester resins, ester polymers, polyimides and so on. These polymers have excellent thermal stability, mechanical properties and chemical resistance, and are often used in the preparation of plastics, textiles, coatings and electronic materials.
Compared with the symmetric structure of 3,3',4,4'-Biphenyl tetracarboxylic dianhydride as the monomer of polyimide, the asymmetric structure of the isomer 2,3,3',4'-Biphenyl tetracarboxylic dianhydride as the monomer of polyimide has a higher Tg and lower melt viscosity, which significantly improves the processability of the material preparation process.
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