High-purity liquid crystal intermediates

9,9-BIS(4-AMINO-3-FLUOROPHENYL)FLUORENE  127926-65-2

Synonyms:FDAF

Appearance:white powder 

Purity:99.5%min

Physical and Chemical Properties

• Molecular Formula: C₂₅H₁₈F₂N₂

• Molecular Weight: 384.42 g/mol

• Melting Point: 242 – 246 °C

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

• Storage: Sealed, dry, away from light and moisture

Applications

• High-performance fluorinated aromatic diamine monomer for polyimide (PI) resins.

• Used to produce polyimides with low dielectric constant, low water absorption, high thermal stability, good solubility and optical transparency.

• Applied in high-frequency electronic materials, flexible circuits, optical films, microelectronics and advanced packaging.

• HS Code: 2922299090