Description

3-Bromomethyl-2,4-Dichlorobenzenesulfonyl Chloride is a highly reactive and versatile sulfonyl chloride derivative, primarily used as a key synthetic intermediate. Its value lies in its dual functionality, featuring both a reactive sulfonyl chloride group and a bromomethyl group, enabling it to act as a crucial building block in complex organic synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), especially for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, leveraging its reactive sites for structural diversification.
• Chemical Research & Development: Serves as a versatile reagent in organic chemistry labs for constructing complex molecular architectures and exploring new reaction pathways.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and functional colorants.
• Polymer Modification: Employed to introduce sulfonyl chloride functional groups into polymer chains for creating specialty materials with tailored properties.
• Cross-coupling Reactions: The bromomethyl group makes it a suitable substrate for various palladium-catalyzed cross-coupling reactions, such as Suzuki or Heck reactions.

Basic Information

Item	Detail
Product Name	3-Bromomethyl-2,4-Dichlorobenzenesulfonyl Chloride
CAS No.	188440-21-3
Molecular Formula	C7H4BrCl2O2S
Molecular Weight	324.94 g/mol
Synonyms	2,4-Dichloro-3-(bromomethyl)benzenesulfonyl chloride; 1-(Bromomethyl)-2,4-dichloro-3-sulfonyl chloride benzene; 3-(Bromomethyl)-2,4-dichlorobenzenesulfonyl chloride; 2,4-Dichloro-3-bromomethylbenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-(bromomethyl)-2,4-dichloro-; (3-Bromomethyl-2,4-dichlorophenyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3-Bromomethyl-2,4-Dichlorobenzenesulfonyl Chloride is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your critical processes. Our quality assurance includes comprehensive analytical testing via HPLC, GC, NMR, and IR spectroscopy to verify identity, purity, and the absence of critical impurities. A detailed Certificate of Analysis (COA) is provided with each shipment, and we support compliance with global regulatory frameworks.

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. Keep away from heat, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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