Description

4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Dibenzoic Acid is a high-value fluorinated aromatic diacid monomer, distinguished by its unique hexafluorocyclobutane (HFCB) core. This compound is critical for synthesizing advanced polymers with exceptional thermal stability, chemical resistance, and low dielectric constants. It is primarily sought by R&D and production teams in the advanced materials, specialty polymer, and electronics industries for creating high-performance polyesters, polyamides, and other engineering plastics.

Application

• High-Performance Polymer Synthesis: Serves as a key monomer for producing fluorinated polyesters, polyamides, and polyarylates with enhanced thermal and chemical stability.
• Advanced Engineering Plastics: Used to manufacture specialty plastics for demanding applications in aerospace, automotive, and chemical processing equipment.
• Low-Dielectric Constant Materials: Essential in the development of next-generation dielectric materials for microelectronics and 5G communication substrates.
• Liquid Crystal Polymers (LCPs): Acts as a comonomer in the synthesis of high-temperature LCPs for precision molded components.
• Pharmaceutical Intermediates: Utilized in the research and development of complex fluorinated drug molecules and active pharmaceutical ingredients (APIs).
• Specialty Coatings and Adhesives: Imparts superior weatherability, solvent resistance, and durability to high-end industrial coatings and adhesives.

Basic Information

Product Name	4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Dibenzoic Acid
CAS No.	134151-61-4
Molecular Formula	C22H12F6O6
Molecular Weight	486.32 g/mol
Synonyms	1,2-Bis(4-carboxyphenoxy)hexafluorocyclobutane; Hexafluorocyclobutane-1,2-diylbis(oxy-4,1-phenylene)dibenzoic Acid; 4,4'-(Hexafluorocyclobutane-1,2-diylbis(oxy))dibenzoic Acid; HFCB-Dibenzoic Acid; 4,4'-(Perfluorocyclobutane-1,2-diylbis(oxy))dibenzoic Acid; 1,2-Bis(p-carboxyphenoxy)hexafluorocyclobutane; Bis(4-carboxyphenyl) hexafluorocyclobutyl ether
EINECS	Contact for details

Quality Control

Every batch of 4,4'-[(1,2,3,3,4,4-Hexafluorocyclobutane-1,2-Diyl)Bis(Oxy)]Dibenzoic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for advanced polymer synthesis. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and key physical parameters.

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). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 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.