Description

4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Bisphenol is a high-performance fluorinated bisphenol derivative, distinguished by its hexafluorocyclobutane core. This unique structure imparts exceptional thermal stability, chemical resistance, and low dielectric constant, making it a critical advanced monomer for demanding polymer applications. It is primarily utilized in the synthesis of high-value polyimides, polyarylates, and epoxy resins for the electronics, aerospace, and specialty coatings industries.

Application

• High-Temperature Polyimide Synthesis: A key monomer for producing fluorinated polyimides with superior thermal stability, low moisture absorption, and excellent dielectric properties for flexible printed circuit boards (FPCBs) and microelectronics.
• Advanced Epoxy Resin Formulations: Used to manufacture epoxy resins with enhanced chemical resistance, reduced dielectric constant, and improved performance in harsh environments for aerospace composites and protective coatings.
• Specialty Polyarylates and Polycarbonates: Serves as a comonomer to create engineering plastics with high clarity, flame retardancy, and weatherability for optical films and high-performance components.
• Liquid Crystal Polymer (LCP) Precursor: Employed in the development of high-performance LCPs for miniaturized electronic connectors and components requiring precise molding and high heat resistance.
• Gas Separation and Proton Exchange Membranes: Investigated as a building block for polymers used in advanced membrane technology for fuel cells and gas separation processes.
• Adhesives and Sealants for Electronics: Imparts low thermal expansion and high reliability in adhesives used for semiconductor packaging and display assembly.

Basic Information

Product Name	4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Bisphenol
CAS No.	134151-65-8
Molecular Formula	C16H10F6O4
Molecular Weight	380.24 g/mol
Synonyms	1,1,2,2,3,3-Hexafluoro-1,2,3,4-tetrakis(4-hydroxyphenoxy)cyclobutane; 4,4'-(Hexafluorocyclobutane-1,2-diylbis(oxy))diphenol; Bisphenol AF Derivative; HFB Bisphenol; Fluorinated Cyclobutyl Bisphenol; 4,4'-(Perfluorocyclobutane-1,2-diylbis(oxy))diphenol; FCB Bisphenol
EINECS	Contact for details

Quality Control

Our production of 4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Bisphenol adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the exacting standards required for advanced polymer synthesis. Certificates of Analysis (COA) detailing all critical parameters are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.5%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.