Description

1,3-Bis(4'-Carboxyphenoxy)Benzene is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block in advanced polymer synthesis. This compound is valued for its rigid, kinked molecular structure, which imparts exceptional thermal stability and mechanical properties to the resulting materials. It is primarily sought after by R&D laboratories and industrial manufacturers in the specialty plastics, high-performance engineering polymers, and pharmaceutical intermediates sectors.

Application

• Polymer Synthesis: A key monomer for producing high-temperature polyamides, polyimides, and polyesters, especially for applications requiring thermal and chemical resistance.
• Liquid Crystal Polymers (LCPs): Used as a comonomer to enhance the thermal stability and mechanical strength of LCPs for electronics and precision components.
• Pharmaceutical Intermediates: Serves as a sophisticated precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Advanced Material Research: Employed in academic and industrial R&D for developing novel polymeric materials with tailored properties for aerospace, automotive, and microelectronics.
• Cross-linking Agent: Functions as a cross-linker in epoxy and other resin systems to improve heat resistance and dimensional stability.

Basic Information

Product Name	1,3-Bis(4'-Carboxyphenoxy)Benzene
CAS No.	77865-43-1
Molecular Formula	C22H16O6
Molecular Weight	376.36 g/mol
Synonyms	4,4'-[1,3-Phenylenebis(oxy)]dibenzoic Acid; 1,3-Bis(p-carboxyphenoxy)benzene; BCPB; [1,1'-Biphenyl]-4,4'-dicarboxylic Acid, 3,3'-oxybis-; 3,3'-Oxybis[1,1'-biphenyl]-4,4'-dicarboxylic Acid
EINECS	Contact for details

Quality Control

Every batch of 1,3-Bis(4'-Carboxyphenoxy)Benzene is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the precise requirements for polymer and pharmaceutical applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent contamination.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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