4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) 38103-06-9
Synonyms:BPADA
Appearance:white powder
Purity:99.5%min
Physical and Chemical Properties
Molecular Formula: C₃₁H₂₀O₈
Molecular Weight: 520.48 g/mol
Melting Point: 182–186 °C
Solubility: Soluble in NMP, DMAc, DMF; insoluble in water, ethanol
Storage: Keep dry, sealed, avoid moisture
Applications
Key monomer for polyimide (PI) resins, films and coatings
Used in flexible printed circuits (FPC), optical materials, electronic packaging and high‑temperature resistant composites
HS Code: 2932990090
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