In the realm of advanced materials, understanding the fundamental properties of chemical building blocks is crucial for innovation. 4,4’-(Hexafluoroisopropylidene)diphthalic Anhydride, universally recognized as 6FDA (CAS: 1107-00-2), is a prime example of such a foundational monomer. Its unique chemical structure, characterized by the presence of fluorine atoms and the rigid phthalic anhydride moieties, dictates its significant contributions to polymer science.

Chemically, 6FDA is an aromatic dianhydride with the molecular formula C19H6F6O6 and a molecular weight of approximately 444.24 g/mol. Its melting point typically falls between 244-247°C, indicative of its solid, crystalline nature. The high fluorine content imparts excellent thermal stability, high refractive index, and often, enhanced chemical resistance. The electrophilic nature of the anhydride groups makes it highly reactive towards nucleophiles, particularly amines, which is the basis for its extensive use in polyimide synthesis.

The applications of 6FDA are as diverse as they are advanced, primarily revolving around the synthesis of high-performance polymers. Key areas include:

  • Gas Separation Membranes: Polymers incorporating 6FDA exhibit a high fractional free volume, leading to increased gas permeability and selectivity, crucial for efficient separation of gas mixtures like CO2/CH4 or H2/N2.
  • Electronic Materials: Its low dielectric constant, low moisture absorption, and high thermal stability make 6FDA-based polyimides ideal for insulating layers, flexible substrates, and coatings in the electronics industry.
  • Optoelectronic Devices: The optical transparency of 6FDA-derived polyimides also makes them suitable for applications in displays and optoelectronic components.
  • Aerospace and Defense: The inherent strength and resistance to extreme conditions make these polymers valuable for components in these demanding sectors.

For professionals in research and manufacturing, sourcing reliable and high-purity 6FDA is essential for achieving desired material properties and ensuring consistent performance. As a leading supplier of specialty chemicals from China, we offer 6FDA with assured quality and competitive pricing. Our commitment to excellence ensures that you receive a product that meets your precise specifications.

We encourage you to consider our 6FDA for your next innovation. Whether you are looking to buy for R&D or large-scale production, our team is ready to assist you with your chemical sourcing needs. Contact us to discuss your requirements, obtain detailed specifications, and secure a quotation for this versatile monomer.