Description

5-Bromo-2,4-Difluorobenzenesulfonyl Chloride is a high-purity, multi-functional chemical intermediate essential for advanced organic synthesis. Its core value lies in its reactive sulfonyl chloride and halogenated aromatic structure, enabling precise molecular construction in complex chemical pathways. This compound is critically needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science industries for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in sulfonamide-based drug discovery programs.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and pesticides, leveraging its halogenated aromatic system.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers and advanced functional materials.
• Chemical Research & Development: A versatile reagent for introducing the 5-bromo-2,4-difluorophenylsulfonyl moiety into target molecules in academic and industrial labs.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for catalysis and molecular recognition applications.

Basic Information

Product Name	5-Bromo-2,4-Difluorobenzenesulfonyl Chloride
CAS No.	287172-61-6
Molecular Formula	C6H2BrClF2O2S
Molecular Weight	291.50 g/mol
Synonyms	5-Bromo-2,4-difluorobenzenesulfonyl chloride; 2,4-Difluoro-5-bromobenzenesulfonyl chloride; Benzenesulfonyl chloride, 5-bromo-2,4-difluoro-; 5-Bromo-2,4-difluorophenylsulfonyl chloride; 287172-61-6; 5-Br-2,4-F2-PhSO2Cl
EINECS	Contact for details

Quality Control

Our 5-Bromo-2,4-Difluorobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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