9,9Bis(3-fluoro-4-aminophenyl)fluorene (FFDA) CAS 127926-65-2

Synonyms: 2,2'-Difluoro-4,4'-(9-fluorenylidene)dianiline; BFAF; 9,9-Bis(4-amino-3-fluorophenyl)fluorene;

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

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Product Details

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9,9-Bis(3-fluoro-4-aminophenyl)fluorene (FFDA), CAS 127926-65-2, is a fluorinated diamine monomer featuring a fluorene core with fluoro-substituted aminophenyl groups. Its rigid structure, electron-withdrawing fluorine atoms, and amino functionalities make it ideal for synthesizing high-performance polymers with improved thermal stability, mechanical strength, solubility, and optical properties.

Basic Information of FFDA

Product Name	9,9Bis(3-fluoro-4-aminophenyl)fluorene
Abbreviation	FFDA
CAS Number	127926-65-2
Molecular Formula	C25H18F2N2
Molecular Weight	384.42 g/mol
Appearance	White to Almost White Powder to Crystal
Purity	≥99.5%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Key Properties

High thermal and oxidative stability
Low dielectric constant
Excellent optical transparency
Enhanced solubility due to fluorine substitution
Strong compatibility with various dianhydrides for polyimide synthesis

Key Applications of FFDA

Polyimide Monomers: Primarily used as a diamine component in the production of fluorinated polyimides, which offer enhanced transparency, low dielectric constants, and high glass transition temperatures for applications in flexible electronics, displays, and aerospace composites.
Plastics and Rubbers Additives: Acts as a reactive additive to improve flame retardancy, thermal resistance, and adhesion in polymer formulations for automotive parts, coatings, and elastomers.
Advanced Materials Synthesis: Serves as a building block for specialty polymers, including those in optoelectronics and high-temperature adhesives, leveraging its ability to form stable, processable resins.

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