Description

1,4-Bis(4-Chlorophenyl)Benzene is a high-purity organic compound belonging to the class of chlorinated polyphenyls, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its rigid, symmetrical structure, which makes it an essential building block for creating high-performance materials with specific thermal and electronic properties. This product is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing active ingredients, liquid crystal materials, and engineering plastics.

Application

• Pharmaceutical Intermediate: A key synthon in the production of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, biphenyl-like core structure.
• Agrochemical Synthesis: Used in the manufacture of advanced herbicides and pesticides, where its chlorinated aromatic system contributes to biological activity.
• Liquid Crystal Materials: Serves as a central core unit in the synthesis of nematic and smectic liquid crystals for display technologies.
• Polymer & Resin Modifier: Incorporated as a monomer or additive to enhance the thermal stability, flame retardancy, and mechanical properties of engineering plastics and high-performance resins.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor material for electron-transport or host materials in OLED device fabrication.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic semiconductors and metal-organic frameworks (MOFs).

Basic Information

Product Name	1,4-Bis(4-Chlorophenyl)Benzene
CAS No.	21711-52-4
Molecular Formula	C18H12Cl2
Molecular Weight	299.19 g/mol
Synonyms	1,4-Bis(p-chlorophenyl)benzene; p,p'-Dichloroterphenyl; 4,4''-Dichloro-1,1':4',1''-terphenyl; 1,1':4',1''-Terphenyl, 4,4''-dichloro-; Terphenyl, 4,4''-dichloro-; BCPB; 4-Chlorophenyl-4'-chlorobiphenyl
EINECS	Contact for details

Quality Control

Our 1,4-Bis(4-Chlorophenyl)Benzene is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 250 °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.