Description

[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-Methyl- is a high-purity, functionalized terphenyl derivative serving as a critical building block in advanced materials synthesis. Its value lies in its rigid, conjugated molecular structure and the presence of two carboxylic acid groups, which enable precise molecular engineering and cross-linking. This compound is essential for researchers and manufacturers in the fields of organic electronics, metal-organic frameworks (MOFs), and high-performance polymers.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Metal-Organic Framework (MOF) Linker: Serves as a dicarboxylate ligand to construct novel MOFs with tailored pore structures for gas storage, separation, and catalysis.
• Liquid Crystal & Polymer Synthesis: Used as a rigid-rod core component in the production of high-temperature thermotropic liquid crystals and engineering plastics.
• Pharmaceutical Intermediate: Acts as a sophisticated scaffold in medicinal chemistry for the development of targeted therapeutic agents.
• Cross-linking Agent: Utilized in the formulation of high-performance epoxy resins and other thermosetting polymers to enhance thermal and mechanical properties.
• Research & Development: A valuable tool for academic and industrial R&D in supramolecular chemistry and advanced material science.

Basic Information

Product Name	[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-Methyl-
CAS No.	1582811-97-9
Molecular Formula	C21H16O4
Molecular Weight	332.35 g/mol
Synonyms	5'-Methyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid; 5'-Methyl-1,1':3',1''-terphenyl-4,4''-dicarboxylic acid; 4,4''-Dicarboxy-5'-methyl-1,1':3',1''-terphenyl; 5'-Methylterphenyl-4,4''-dicarboxylic acid; m-Terphenyl-4,4''-dicarboxylic acid, 5'-methyl derivative; Biphenyl-3,5-diylbis(4-methylbenzoic acid); 3,5-Bis(4-carboxyphenyl)toluene
EINECS	Contact for details

Quality Control

Our [1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid, 5'-Methyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and structural integrity suitable for sensitive applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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