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Atomfair 5,5′-Bi-2-benzofuran-1,1′,3,3′-tetrone BPDA C16H6O6

Description 5,5′-Bi-2-benzofuran-1,1′,3,3′-tetrone (CAS No. 2420-87-3) is a high-purity aromatic dianhydride compound with the molecular formula C16H6O6. This specialized chemical, also known by its IUPAC name 5-(1,3-dioxo-2-benzofuran-5-yl)-2-benzofuran-1,3-dione , features a rigid biphenyl core with two reactive anhydride functionalities, making it a valuable building block for advanced polymer synthesis. The compound appears as a fine crystalline powder with excellent thermal stability, suitable for high-performance polyimide and polyamide applications. Available in ??98% purity by HPLC, this product is rigorously tested for trace metals, moisture content, and residual solvents to meet the stringent requirements of materials science research. Packaged under inert gas in amber…

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Description

Description

5,5′-Bi-2-benzofuran-1,1′,3,3′-tetrone (CAS No. 2420-87-3) is a high-purity aromatic dianhydride compound with the molecular formula C16H6O6. This specialized chemical, also known by its IUPAC name 5-(1,3-dioxo-2-benzofuran-5-yl)-2-benzofuran-1,3-dione, features a rigid biphenyl core with two reactive anhydride functionalities, making it a valuable building block for advanced polymer synthesis. The compound appears as a fine crystalline powder with excellent thermal stability, suitable for high-performance polyimide and polyamide applications. Available in ??98% purity by HPLC, this product is rigorously tested for trace metals, moisture content, and residual solvents to meet the stringent requirements of materials science research. Packaged under inert gas in amber glass vials to ensure long-term stability.

  • CAS No: 2420-87-3
  • Molecular Formula: C16H6O6
  • Molecular Weight: 294.21
  • Exact Mass: 294.01643791
  • Monoisotopic Mass: 294.01643791
  • IUPAC Name: 5-(1,3-dioxo-2-benzofuran-5-yl)-2-benzofuran-1,3-dione
  • SMILES: C1=CC2=C(C=C1C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
  • Synonyms: 2420-87-3, 3,3′,4,4′-Biphenyltetracarboxylic dianhydride, [5,5′-Biisobenzofuran]-1,1′,3,3′-tetrone, 4,4′-Biphthalic dianhydride, 5,5′-bi-2-benzofuran-1,1′,3,3′-tetrone

Application

This bifunctional dianhydride serves as a critical monomer for synthesizing thermally stable polyimides used in flexible printed circuits and aerospace composites. Its rigid structure contributes to high glass transition temperatures in polymers for microelectronic encapsulation. Researchers also employ it as a crosslinking agent for epoxy resins to enhance mechanical properties in high-temperature adhesives.

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