Description

p-Terphenyl-4-Carboxylic Acid is a high-purity organic compound belonging to the terphenyl class, serving as a versatile and critical building block in advanced chemical synthesis. Its value lies in its rigid, conjugated structure and functional carboxylic acid group, which make it an essential precursor for creating complex molecules with specific electronic and structural properties. This product is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing active ingredients, ligands, and specialty polymers.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of novel drug candidates, particularly in oncology and antiviral research.
• Liquid Crystal & OLED Materials: Serves as a core structural unit in the production of advanced organic electronic materials for displays and lighting.
• Agrochemical Synthesis: Used in the development of new-generation herbicides and plant growth regulators.
• Ligand for Catalysis: Functions as a precursor for creating specialized ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Polymer & Resin Modifier: Incorporated into high-performance polymers to enhance thermal stability and mechanical properties.
• Organic Semiconductor Research: Employed in academic and industrial R&D for constructing n-type or p-type semiconductor molecules.

Basic Information

Product Name	p-Terphenyl-4-Carboxylic Acid
CAS No.	5731-15-7
Molecular Formula	C19H14O2
Molecular Weight	274.31 g/mol
Synonyms	4'-Carboxy-p-terphenyl; [1,1':4',1''-Terphenyl]-4'-carboxylic acid; 4-Carboxy-p-terphenyl; p-Terphenyl-4'-carboxylic acid; 4'-Terphenylcarboxylic acid; 4-(4-Carboxyphenyl)biphenyl; 4-Biphenyl-4'-carboxylic acid (related); Terphenyl-4-carboxylic acid
EINECS	227-247-6

Quality Control

Our p-Terphenyl-4-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals (as Pb)	≤20 ppm
Related Substances (HPLC)	Total impurities ≤2.0%

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