Description

4-Chlorobiphenyl is a halogenated aromatic compound of significant interest in industrial and research chemistry. This chemical serves as a versatile synthetic intermediate and a model compound for studying the properties of polychlorinated biphenyls (PCBs). It is primarily utilized by manufacturers and R&D laboratories in the chemical, pharmaceutical, and material science sectors for applications ranging from organic synthesis to analytical standards.

Application

• Chemical Synthesis Intermediate: A key building block for the preparation of more complex biphenyl derivatives, liquid crystals, and pharmaceutical agents.
• Analytical Reference Standard: Used as a standard in gas chromatography (GC) and mass spectrometry (MS) for the environmental analysis and quantification of PCB congeners.
• Material Science Research: Employed in studies of dielectric properties, thermal stability, and as a monomer or additive in specialized polymer systems.
• Electronics Industry: Investigated for potential use in organic semiconductors and as a precursor for electronic chemicals.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of certain dyes and organic pigments.
• Academic & Industrial R&D: Serves as a crucial reagent for method development, catalysis studies, and structure-property relationship investigations.

Basic Information

Product Name	4-Chlorobiphenyl
CAS No.	2051-62-9
Molecular Formula	C12H9Cl
Molecular Weight	188.65 g/mol
Synonyms	1-Chloro-4-phenylbenzene; p-Chlorobiphenyl; 4-Chloro-1,1'-biphenyl; PCB 3; 4-CB; 4-Chlorodiphenyl; p-Chlorodiphenyl; 4-Phenylchlorobenzene
EINECS	218-147-1

Quality Control

Our 4-Chlorobiphenyl is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets high-purity standards suitable for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to guarantee traceability and compliance.

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). Keep away from strong acids and 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%
Melting Point	77 - 81 °C
Loss on Drying	≤ 0.5%
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.