Description

1-Bromo-4-[(3-Chlorophenyl) Sulfonyl]-Benzene is a high-purity, multi-functional organic intermediate of significant commercial importance in advanced chemical synthesis. Its unique sulfonyl-bridged diaryl structure, incorporating both bromo and chloro substituents, makes it a versatile building block for constructing complex molecular architectures. This compound is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical sectors for the development of new active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Active Ingredient Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its halogenated diaryl sulfone core.
• Material Science: Serves as a monomer or cross-linking agent in the production of high-performance polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis Reagent: Employed in Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions due to the reactive bromo substituent.
• Dye and Pigment Manufacturing: Intermediate for creating specialized sulfone-based dyes with enhanced lightfastness and thermal stability.
• Research & Development: A valuable tool compound in academic and industrial laboratories for exploring new chemical reactions and pathways.

Basic Information

Product Name	1-Bromo-4-[(3-Chlorophenyl) Sulfonyl]-Benzene
CAS No.	331765-58-3
Molecular Formula	C12H8BrClO2S
Molecular Weight	331.61 g/mol
Synonyms	1-Bromo-4-(3-chlorophenylsulfonyl)benzene; 4-Bromophenyl 3-chlorophenyl sulfone; (3-Chlorophenyl)(4-bromophenyl) sulfone; 3-Chloro-4'-bromodiphenyl sulfone; p-Bromophenyl m-chlorophenyl sulfone; CAS 331765-58-3; Benzene, 1-bromo-4-[(3-chlorophenyl)sulfonyl]-
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-[(3-Chlorophenyl) Sulfonyl]-Benzene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthesis applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.