1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene (6FAPB)

Basic Information of 6FAPB

Product Name	1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene
Abbreviation	p-6FAPB / 6FAPB
CAS Number	94525-05-0
Product Type	Fluorinated ether-containing aromatic diamine monomer
Molecular Formula	C20H14F6N2O2
Molecular Weight	428.33 g/mol
Appearance	White to almost white powder or crystal
Purity	≥ 99%; final batch data should be confirmed by latest COA
Main Application	Fluorinated, transparent, low-dielectric and processable polyimide synthesis
Package	1 kg/bottle, 20 kg/drum, or customized packaging
Documents	COA, SDS and TDS available upon request
Molecular Structure

Typical Specification of 6FAPB

The above information is provided as a typical specification reference for 6FAPB CAS 94525-05-0. Final batch data, purity, appearance and documentation should be confirmed by the latest COA before order confirmation.

Key Features in Polyimide Design

• Fluorinated ether-containing diamine structure, relevant to fluorinated polyimide diamine applications.

• Trifluoromethyl groups may help reduce polarizability and support low-dielectric behavior depending on the paired dianhydride and polymer design.

• Ether linkages may improve chain flexibility, solubility and processability in selected polyimide systems.

• Reduced intermolecular interactions may support optical and transparent polyimide applications depending on the complete polymer structure.

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

Pairing 6FAPB with Dianhydride Monomers

In polyimide synthesis, 6FAPB may be evaluated with selected polyimide dianhydride monomers to design fluorinated, flexible, low-dielectric and processable PI systems. Fluorinated dianhydrides such as 6FDA CAS 1107-00-2 may be considered when transparent, low-dielectric or low-moisture-uptake polyimide systems are required.

Rigid aromatic dianhydrides such as BPDA CAS 2420-87-3 or BTDA CAS 2421-28-5 may support thermal resistance and dimensional stability, while ether-containing dianhydrides such as ODPA CAS 1823-59-2 may further support processability and film-forming behavior.

Application Context of 6FAPB in Polyimide Systems

6FAPB is typically used as a structural diamine monomer rather than a finished application material. It is commonly discussed in fluorinated, transparent, low-dielectric and processable polyimide material development, where ether linkages and trifluoromethyl groups can influence free volume, dielectric behavior, optical properties and processability.

• Fluorinated polyimide diamine applications – monomer selection for fluorinated PI systems.

• Optical and transparent polyimide applications – optical clarity and reduced coloration in PI design.

• Flexible and processable polyimide formulations – solubility, chain flexibility and film formation considerations.

• Electronics and semiconductor polyimide applications – low-dielectric and insulation-related material requirements.

• Specialty functional polyimide development – fluorinated and ether-containing diamine selection for advanced polymer research.

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

• 6FODA CAS 344-48-9 – fluorinated ether diamine for flexible, processable and low-dielectric PI material design.

• TFMB / TFDB CAS 341-58-2 – fluorinated diamine for transparent, low-dielectric and high-performance PI systems.

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

COA, SDS and Technical Documentation

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