Description

3-[4-[1-[4-(3,4-Dicarboxyphenoxy)Phenyl]-1-Methylethyl]Phenoxy]-1,2-Benzenedicarboxylic Acid is a high-purity, multi-functional aromatic dicarboxylic acid derivative, serving as a critical building block for advanced polymer synthesis. This compound is valued for its ability to introduce rigid, thermally stable moieties into polymer backbones, directly impacting the performance characteristics of the final material. It is primarily sought by R&D and production teams in the specialty polymers, high-performance resins, and advanced materials sectors.

Application

• Monomer for High-Performance Polyimides and Polyamides: Used as a key diacid monomer to synthesize polyimide and polyamide resins with exceptional thermal stability, mechanical strength, and chemical resistance for aerospace and electronics applications.
• Synthesis of Liquid Crystal Polymers (LCPs): Acts as a rigid, aromatic component in the production of LCPs, which are used in precision molded components for electronics, automotive, and medical devices.
• Cross-linking Agent for Epoxy Resins: Functions as a hardener or cross-linker to enhance the thermal and mechanical properties of advanced epoxy systems for coatings, adhesives, and composites.
• Intermediate for Specialty Dyes and Pigments: Serves as a precursor in the synthesis of complex organic pigments and dyes requiring high color fastness and stability.
• Research & Development of New Polymeric Materials: A valuable intermediate for academic and industrial research focused on developing novel polymers with tailored properties for specific engineering challenges.

Basic Information

Product Name	3-[4-[1-[4-(3,4-Dicarboxyphenoxy)Phenyl]-1-Methylethyl]Phenoxy]-1,2-Benzenedicarboxylic Acid
CAS No.	72066-79-6
Molecular Formula	C32H22O10
Molecular Weight	566.51 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, 3-[4-[1-[4-(3,4-dicarboxyphenoxy)phenyl]-1-methylethyl]phenoxy]-; Bisphenol AP Tetracarboxylic Dianhydride intermediate; BPADA precursor; 4,4'-(1-Phenylethylidene)bisphenol tetracarboxylic acid; Tetracarboxy Bisphenol AP derivative; Phenol, 4,4'-(1-phenylethylidene)bis-, tetracarboxylic acid derivative; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 3-[4-[1-[4-(3,4-Dicarboxyphenoxy)Phenyl]-1-Methylethyl]Phenoxy]-1,2-Benzenedicarboxylic Acid is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place at a controlled room temperature (15-25°C). Ensure the storage area is well-ventilated and separate from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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