Bisphenol a diethyl dianhydride (BPADA)

Basic Information of BPADA

Product Name	Bisphenol A dianhydride
Abbreviation	BPADA
CAS Number	38103-06-9
Product Type	Bisphenol-A-based aromatic dianhydride monomer
Molecular Formula	C31H20O8
Molecular Weight	520.49 g/mol
Appearance	White to light yellow powder or crystal
Purity	≥ 99%; batch data should be confirmed when quality documentation is available
Main Application	Processable, flexible and specialty polyimide or polyetherimide synthesis
Package	1 kg/bottle, 20 kg/drum, or customized packaging
Documents	SDS, TDS and available product information upon request
Storage	Keep sealed, dry, and away from moisture
Molecular Structure

Key Features in Polyimide Design

• Bisphenol-A-based aromatic dianhydride structure, relevant to processable and flexible polyimide dianhydride monomers.

• Bulky isopropylidene structure may help reduce close molecular packing and improve solubility depending on the paired diamine and polymer architecture.

• Ether-linked aromatic framework may support processability, film-forming behavior and balanced mechanical performance in selected polyimide and polyetherimide systems.

• BPADA can be considered in flexible films, coatings and adhesives where processing behavior, flexibility and polymer toughness are important.

• Final material properties depend on dianhydride purity, diamine selection, solvent system, imidization conditions, film formation and polymer processing method.

Pairing BPADA with Diamine Monomers

Fluorinated diamines such as TFMB / TFDB CAS 341-58-2 may be considered when optical clarity, dielectric behavior or moisture-related properties are part of the target polymer design, while rigid aromatic diamines may be selected when dimensional stability and thermal resistance are more important.

Application Context of BPADA in Polyimide Systems

BPADA is typically used as a structural dianhydride monomer rather than a finished application material. It is commonly discussed in processing-oriented, flexible, optical and electronic-grade polyimide or polyetherimide material development, where bulky bisphenol-based structure can influence solubility, polymer morphology, dielectric behavior and processing performance.

• Flexible films, coatings and adhesives – processable and flexible PI material systems.

• Optical and transparent polyimide systems – monomer selection for reduced coloration, optical clarity and film-related polymer design.

• Electronics and microelectronics polyimide applications – dielectric, insulation and electronic material requirements.

• Specialty functional polyimide materials – bisphenol-based dianhydride selection for advanced polymer research and formulation design.

Related Polyimide Monomer Supply Guides

For a broader technical overview of both diamine and dianhydride monomer families, please review Polyimide Monomers: Diamines and Dianhydrides.

Related Polyimide Monomers

• ODPA CAS 1823-59-2 – ether-containing dianhydride for processable and flexible PI systems.

• 6FDA CAS 1107-00-2 – fluorinated dianhydride often considered in transparent and low-dielectric PI systems.

• BAPP CAS 13080-86-9 – ether-containing aromatic diamine for flexible and processable polyimide systems.

SDS, TDS and Technical Documentation

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