Description

4-Bromo-2,5-Difluorobenzenesulfonyl Chloride is a high-purity, multi-functional chemical building block essential for advanced organic synthesis. Its core value lies in its dual functionality as a sulfonylating agent and a halogenated aromatic scaffold, enabling precise molecular construction. This compound is critically needed by researchers and process chemists in the pharmaceutical and agrochemical industries for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and pesticides with enhanced efficacy.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers and advanced materials.
• Chemical Biology Probe Development: Utilized for labeling and modifying biomolecules in proteomics and diagnostic research.
• Dye and Pigment Manufacturing: Intermediate for creating halogenated, sulfonated colorants with specific light-fastness and solubility properties.
• Ligand and Catalyst Design: Foundational structure for creating novel ligands in transition metal catalysis and organocatalysis.

Basic Information

Product Name	4-Bromo-2,5-Difluorobenzenesulfonyl Chloride
CAS No.	207974-14-9
Molecular Formula	C6H2BrClF2O2S
Molecular Weight	291.50 g/mol
Synonyms	2,5-Difluoro-4-bromobenzenesulfonyl chloride; 1-Bromo-2,5-difluoro-4-sulfonylchloridebenzene; Benzenesulfonyl chloride, 4-bromo-2,5-difluoro-; 4-Bromo-2,5-difluorobenzene-1-sulfonyl chloride; 4-Bromo-2,5-difluorophenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Bromo-2,5-Difluorobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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