Description

4-Biphenylcarboxylic Acid is a high-purity organic compound that serves as a versatile and critical building block in advanced chemical synthesis. Its biphenyl core structure makes it an essential intermediate for creating complex molecules with specific electronic and steric properties. This product is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging its biphenyl moiety for biological activity.
• Liquid Crystal & OLED Materials: Serves as a core precursor for manufacturing liquid crystal displays (LCDs) and organic light-emitting diode (OLED) materials due to its rigid, planar structure.
• Polymer & Resin Modifier: Incorporated into high-performance polymers, epoxy resins, and polyesters to enhance thermal stability and mechanical properties.
• Organic Synthesis & Research: A fundamental reagent in academic and industrial R&D for constructing biphenyl-based ligands, catalysts, and complex organic frameworks.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of specialized dyes and pigments for industrial applications.

Basic Information

Product Name	4-Biphenylcarboxylic Acid
CAS No.	92-92-2
Molecular Formula	C13H10O2
Molecular Weight	198.22 g/mol
Synonyms	[4-Phenylbenzoic Acid]; Biphenyl-4-carboxylic Acid; p-Phenylbenzoic Acid; 4-Carboxybiphenyl; p-Biphenylcarboxylic Acid; 4-Biphenylcarboxylic Acid; 4-Phenylbenzoic Acid; (1,1'-Biphenyl)-4-carboxylic Acid
EINECS	202-204-3

Quality Control

Our 4-Biphenylcarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthetic applications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

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 incompatible materials such as strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	225 - 230 °C
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.