AB-TFMB

Basic Information of AB-TFMB

Product Name	N,N'-(2,2'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(4-aminobenzamide)
Abbreviation	AB-TFMB
CAS Number	1449757-11-2
Product Type	Fluorinated amide-containing aromatic diamine monomer
Molecular Formula	C28H20F6N4O2
Molecular Weight	558.47 g/mol
Appearance	White to almost white powder or crystal
Purity	≥ 99%
Main Application	Fluorinated, transparent, dielectric and specialty functional 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 AB-TFMB

The above information is provided as a typical specification reference for AB-TFMB CAS 1449757-11-2. Final batch data, purity, appearance and documentation should be confirmed by the latest COA before order confirmation.

Key Features in Polyimide Design

• Fluorinated aromatic diamine structure, relevant to fluorinated polyimide diamine applications.

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

• Rigid biphenyl framework may support dimensional stability and chain rigidity in selected polyimide systems.

• Amide linkages may influence intermolecular interactions, hydrogen bonding, gas transport behavior and mechanical performance depending on the full polymer architecture.

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

Pairing AB-TFMB with Dianhydride Monomers

In polyimide synthesis, AB-TFMB may be evaluated with selected polyimide dianhydride monomers to design fluorinated, transparent, dielectric and specialty functional PI systems. Fluorinated dianhydrides such as 6FDA CAS 1107-00-2 may be considered when optical, dielectric or moisture-related properties are part of the target polymer design.

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 help adjust processability and film-forming behavior.

Application Context of AB-TFMB in Polyimide Systems

AB-TFMB is typically used as a structural diamine monomer rather than a finished application material. It is commonly discussed in fluorinated, transparent, dielectric and specialty functional polyimide material development, where trifluoromethyl groups, amide linkages and rigid aromatic structure can influence polymer performance.

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

• Optical and transparent polyimide applications – optical clarity, reduced coloration and polymer structure considerations.

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

• Specialty functional polyimide applications – gas transport behavior, structural rigidity and advanced polymer research contexts.

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

• 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.

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

COA, SDS and Technical Documentation

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