4,4'-(Hexafluoroisopropylidene)diphthalic anhydride CAS 1107-00-2

CAS 1107-00-2
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  • Molecular formula:C₁₉H₆F₆O₆

  • Molecular weight: ~444.24 g/mol

  • Appearance: White to off-white crystalline powder

  • Melting point: ~238–242 °C

  • Solubility: Soluble in polar aprotic solvents (e.g. NMP, DMAc, DMF); insoluble in water

Key Applications

  • Core monomer for high-performance fluorinated polyimides

  • Widely used in:

    • Electronics & semiconductor materials

    • Flexible circuits

    • Optical films and membranes

  • Enables polymers with:

    • Low dielectric constant

    • High thermal stability

    • Excellent optical transparency

    • Good solubility and processability