4,4'-(Hexafluoroisopropylidene)diphthalic anhydride 1107-00-2
Synonyms:6FDA
Appearance:snowy white powder
Purity:99.9%min
Physical and Chemical Properties
Molecular formula: C₁₉H₆F₆O₆
Molecular weight: 444.24 g/mol
Melting point: 244 – 247 °C (lit.)
Boiling point: 494.5 °C (760 mmHg)
Density: 1.697 g/cm³
Solubility: Soluble in DMF, DMAc, NMP; insoluble in water
Stability: Hygroscopic, moisture-sensitive; store sealed in dry, cool place
Uses
Key monomer for high-performance fluorinated polyimides (PI)
Imparts excellent thermal stability, low dielectric constant, high optical transparency, and low water absorption to PI films
Widely used in flexible OLED substrates, high-temperature insulating coatings, aerospace composites, and advanced electronic packaging materials
HS Code: 2917399090
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