4,4'-[9H-Fluoren-9-ylidenebis(4,1-phenyleneoxy)]bisbenzenamine CAS :47823-88-1
Synonyms:BAF
Appearance:white powder
Purity:99%min
Physical and Chemical Properties
Molecular formula: C₃₇H₂₈N₂O₂
Molecular weight: 532.63 g/mol
Solubility: Soluble in polar aprotic solvents (DMF, DMAc, NMP); insoluble in water
Stability: Stable under normal conditions; store sealed in dry, cool place
Uses
High-performance aromatic diamine monomer for polyimides (PI)
Imparts excellent thermal stability, high glass transition temperature (Tg), low dielectric constant, and good optical transparency to polyimide films
Used in high-temperature resistant PI films, flexible printed circuits (FPC), advanced electronic packaging, and optical materials
HS Code: 2921599090
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