9,9-Bis(4-aminophenyl)fluorene 15499-84-0
Synonyms: FDA
Appearance:white powder
Purity:99%min
Physical & Chemical Properties
Molecular formula: C₂₅H₂₀N₂
Molecular weight: 348.44 g/mol
Melting point: 237–239 °C (lit.)
Boiling point: 535.2 ± 50.0 °C (predicted)
Density: 1.245 ± 0.06 g/cm³ (predicted)
Flash point: 334.1 ± 29.6 °C
Water solubility: Insoluble in water
Storage: Keep in dark place, inert atmosphere, room temperature
Key features: Aromatic diamine monomer; high thermal stability; good solubility in polar aprotic solvents; low dielectric constant
Applications
Key monomer for synthesizing high‑performance polyimides (PI) with excellent thermal stability (Td5% = 530 °C) and optical transparency
Used in transparent polyimide films for flexible electronics, OLED/LCD displays, and optical waveguides
Applied in semiconductor passivation layers, high‑temperature adhesives, and microelectronic packaging materials
Raw material for epoxy resins and advanced composite materials with high heat resistance
Used as organic hole‑transporting material in perovskite solar cells
HS Code: 2921590090
Sales Service
