Description

3-Bromobenzenesulfonyl Chloride is a versatile and highly reactive organosulfur compound used as a key building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation reagent, introducing the sulfonyl functional group to create sulfonamides and sulfonate esters. This chemical is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is utilized in the development of active ingredients and fine chemicals. Its specific structure makes it a critical intermediate for creating compounds with targeted biological activity.

Application

• Pharmaceutical intermediate for the synthesis of sulfonamide-based drug candidates.
• Agrochemical precursor in the development of novel herbicides and fungicides.
• Key reagent in material science for modifying polymer surfaces and creating specialty monomers.
• Building block for dyes, pigments, and other specialty fine chemicals.
• Research and development tool in academic and industrial laboratories for exploring new synthetic pathways.
• Intermediate in the production of liquid crystal materials for electronic displays.

Basic Information

Product Name	3-Bromobenzenesulfonyl Chloride
CAS No.	2905-24-0
Molecular Formula	C6H4BrClO2S
Molecular Weight	255.52 g/mol
Synonyms	m-Bromobenzenesulfonyl Chloride; 3-Bromophenylsulfonyl Chloride; Benzenesulfonyl chloride, 3-bromo-; 1-Bromo-3-(chlorosulfonyl)benzene; NSC 406908; m-Bromophenylsulfonyl Chloride
EINECS	220-829-8

Quality Control

Our 3-Bromobenzenesulfonyl Chloride is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

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 (moisture-sensitive) nature, containers must be kept tightly sealed and under an inert atmosphere such as nitrogen or argon for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	45 - 50 °C

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