9,9-Bis(4-aminophenyl)fluorene (BAFL) CAS 15499-84-0

Name: 9,9-Bis(4-aminophenyl)fluorene (BAFL) CAS 15499-84-0
Brand: Aure Chemical
Price: 1.00 USD
Availability: InStock
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Synonyms: 4,4'-(9-Fluorenylidene)dianiline; 4,4'-(9H-fluorene-9,9-diyl)dianilinel; FDA; 9,9'-Bis(4-aminophenyl)fluorene

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of BAFL in China and also one of the manufacturers of this product.

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Product Details

BAFL CAS 15499-84-0 for High-Performance Polyimide Synthesis

9,9-Bis(4-aminophenyl)fluorene, commonly known as BAFL or FDA, is a fluorene-based aromatic diamine monomer used as a structural building block in high-performance polyimide and specialty polymer synthesis. Its rigid fluorene core and aromatic diamine structure make BAFL relevant to polymer systems where thermal resistance, rigidity, mechanical performance and optical behavior need to be balanced.

BAFL belongs to the broader category of polyimide diamine monomers and is also part of Aure Chemical’s polyimide diamine monomers supply portfolio. It is often considered in high-Tg, heat-resistant, optical and electronic polyimide material design, depending on the paired dianhydride, formulation and processing conditions.

Basic Information of BAFL

Product Name	9,9-Bis(4-aminophenyl)fluorene
Synonym	4,4'-(9-Fluorenylidene)dianiline
Abbreviation	BAFL / FDA
CAS Number	15499-84-0
Product Type	Fluorene-based aromatic diamine monomer
Molecular Formula	C25H20N2
Molecular Weight	348.44 g/mol
Appearance	White to almost white powder or crystal
Purity	≥ 99%; final batch data should be confirmed by latest COA
Main Application	High-Tg, heat-resistant, optical and specialty 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 BAFL

Item	Typical Specification	Remarks
Purity	≥ 99%	To be confirmed by latest COA before order confirmation
Documents	COA, SDS and TDS available upon request	Batch-specific data should be confirmed before shipment
Packaging	1 kg/bottle, 20 kg/drum, or customized packaging	Final packing can be discussed according to quantity and shipment requirements
Storage	Keep sealed, dry, and away from moisture	Recommended for diamine monomer handling

The above information is provided as a typical specification reference for BAFL CAS 15499-84-0. Final batch data, purity, appearance and documentation should be confirmed by the latest COA before order confirmation.

Key Features in Polyimide Design

Rigid fluorene-based aromatic diamine structure, relevant to high-performance polyimide diamine monomers.
Bulky fluorene core may support chain rigidity, thermal resistance and dimensional stability depending on the paired dianhydride and polymer architecture.
Aromatic diamine functionality makes BAFL suitable for evaluation with selected dianhydride monomers in high-performance PI synthesis.
BAFL can be considered in optical and transparent polyimide applications where polymer rigidity and optical behavior are part of the material design.
Final material properties depend on monomer purity, dianhydride selection, solvent system, imidization conditions and polymer processing method.

Pairing BAFL with Dianhydride Monomers

In polyimide synthesis, BAFL may be evaluated with selected polyimide dianhydride monomers to design rigid, heat-resistant and specialty PI systems. Rigid aromatic dianhydrides such as BPDA CAS 2420-87-3 or BTDA CAS 2421-28-5 may support thermal resistance and dimensional stability.

Fluorinated dianhydrides such as 6FDA CAS 1107-00-2 may be considered when optical, dielectric or moisture-related properties are part of the target design, while ether-containing dianhydrides such as ODPA CAS 1823-59-2 may help adjust processability and film-forming behavior.

Application Context of BAFL in Polyimide Systems

BAFL is typically used as a structural diamine monomer rather than a finished application material. It is commonly discussed in rigid, heat-resistant, optical and electronic polyimide material development, where fluorene-based molecular structure can influence polymer performance.

High-temperature polyimide applications – thermal resistance and high-performance polymer environments.
Electronics and semiconductor polyimide applications – dielectric, insulation and thermally stable material requirements.
Optical and transparent polyimide applications – optical clarity, reduced coloration and polymer structure considerations.
Specialty functional polyimide development – rigid fluorene-based diamine selection for advanced polymer research.

COA, SDS and Technical Documentation

Aure Chemical can provide COA, SDS, TDS, typical specifications and packaging information for BAFL CAS 15499-84-0 upon request. Since BAFL is a fluorene-based aromatic diamine monomer, final purity, appearance and batch-specific data should be confirmed by the latest COA before order confirmation.

Please share the required purity, target specification, quantity, destination country or port, preferred packaging method and required documents so we can review availability, documentation support and export packing options.

Contact Aure Chemical for BAFL documentation and quotation support.

Packaging, Logistics & Compliance Capabilities

Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.