2,2'-Bis(trifluoromethyl)-4,4'-diaminodiphenyl ether (6FODA) CAS 344-48-9

Synonyms: 4,4'-Oxybis[3-(trifluoromethyl)aniline]; Bis(4-amino-2-trifluoromethylphenyl) ether

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Product Details

2,2'-Bis(trifluoromethyl)-4,4'-diaminodiphenyl ether (6FODA), CAS 344-48-9, is a fluorinated diamine monomer featuring a flexible ether linkage and electron-withdrawing trifluoromethyl groups. These attributes enable the synthesis of advanced polymers like polyimides with enhanced thermal stability, optical transparency, low dielectric constants, improved solubility, and resistance to UV and chemicals.

Basic Information of 6FODA

Product Name	2,2'-Bis(trifluoromethyl)-4,4'-diaminodiphenyl ether
Abbreviation	6FODA
CAS Number	344-48-9
Molecular Formula	C14H10F6N2O
Molecular Weight	336.23 g/mol
Appearance	White to almost white powder to crystaline
Purity	≥99.5%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Key Properties

Fluorinated structure ensures low dielectric constant
Excellent thermal and oxidative stability
Improved solubility in organic solvents for processing
Enhanced hydrophobicity for advanced material applications
Strong compatibility with various dianhydrides in polyimide synthesis

Key Applications of 6FODA

Gas Separation Membranes: Serves as a building block for polyimides (e.g., 6FDA-6FODA) in membranes with high gas permeability and selectivity (e.g., CO₂/CH₄ up to 188.43), ideal for industrial gas purification due to tunable micropore structures.

Optoelectronics and Photonics: Used in transparent, colorless polyimides for flexible OLED displays and optical devices, where trifluoromethyl groups reduce π-π interactions to minimize light absorption and allow precise refractive index control (±4 × 10⁻⁴).

High-Performance Polymers and Composites: Incorporated into polyimides and polyamides for aerospace, military, and protective fabrics with low thermal conductivity (0.03 W/m·K), flame retardancy, and resistance to harsh environments.

Advanced Materials: Employed in covalent organic frameworks (COFs), nanocomposites, and coatings for electronics, energy storage, and biomedical applications, leveraging its stability and low dielectric properties

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