Description

2-Bromo-4-Chlorobenzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce the sulfonyl functional group, a key moiety for modulating the physical, chemical, and biological properties of target molecules. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and pesticides with enhanced efficacy.
• Material Science: Used in the development of specialty polymers and functional materials requiring sulfonyl groups.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and compound libraries.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized sulfonated dyes and colorants.

Basic Information

Product Name	2-Bromo-4-Chlorobenzenesulfonyl Chloride
CAS No.	929281-63-0
Molecular Formula	C6H3BrCl2O2S
Molecular Weight	289.96 g/mol
Synonyms	2-Bromo-4-chlorobenzene-1-sulfonyl chloride; 4-Chloro-2-bromobenzenesulfonyl chloride; 1-Bromo-3-chloro-4-(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 2-bromo-4-chloro-; 929281-63-0; 2-Bromo-4-chloro-benzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Bromo-4-Chlorobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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