Description

Ethylene Glycol Bis(4-Carboxyphenyl) Ether is a high-purity organic compound primarily used as a key monomer and building block in advanced polymer synthesis. Its bifunctional structure, featuring terminal carboxylic acid groups, makes it a versatile intermediate for creating polyesters, polyamides, and other specialty polymers with tailored thermal and mechanical properties. This chemical is essential for R&D and production in industries focused on high-performance materials, including specialty plastics, liquid crystal polymers (LCPs), and pharmaceutical intermediates.

Application

• Polymer Synthesis: A critical monomer for the production of high-performance engineering plastics, polyesters, and polyamides.
• Liquid Crystal Polymers (LCPs): Serves as a rigid-rod monomer component to enhance thermal stability and mechanical strength in LCP formulations.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent: Functions as a crosslinker in resin and coating systems to improve hardness and chemical resistance.
• Material Science R&D: A valuable building block in academic and industrial research for developing novel polymeric materials.
• Specialty Chemical Intermediate: Employed in the synthesis of dyes, pigments, and other functional organic compounds.

Basic Information

Product Name	Ethylene Glycol Bis(4-Carboxyphenyl) Ether
CAS No.	3753-05-7
Molecular Formula	C18H16O6
Molecular Weight	328.32 g/mol
Synonyms	4,4'-(Ethylenedioxy)dibenzoic Acid; 1,2-Bis(4-carboxyphenoxy)ethane; Ethylene Glycol Di-p-carboxyphenyl Ether; Bis(4-carboxyphenoxy)ethane; p,p'-Ethylenedioxydibenzoic Acid; EGBCPE; Contact for additional trade names.
EINECS	223-162-6

Quality Control

Our Ethylene Glycol Bis(4-Carboxyphenyl) Ether is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of 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	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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