Description

3-Bromo-5-Methylbenzsulphonyl Chloride is a versatile and reactive organosulfur compound primarily used as a key synthetic intermediate. Its value lies in its ability to act as a sulfonylation reagent, enabling the introduction of the sulfonyl functional group into target molecules, which is critical for modulating biological activity and physical properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, especially sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where the sulfonyl moiety is a key pharmacophore.
• Material Science Research: Employed in the development of specialty polymers and functional materials that require sulfonyl chloride chemistry.
• Chemical Derivatization: Acts as a reagent for the derivatization of amines, alcohols, and other nucleophiles in analytical chemistry and proteomics.
• Dye and Pigment Manufacturing: Utilized in the synthesis of sulfonated dyes and colorants for various industrial applications.

Basic Information

Product Name	3-Bromo-5-Methylbenzsulphonyl Chloride
CAS No.	885520-33-2
Molecular Formula	C8H8BrClO2S
Molecular Weight	283.57 g/mol
Synonyms	3-Bromo-5-methylbenzenesulfonyl chloride; 5-Bromo-3-methylbenzenesulfonyl chloride; 1-Bromo-3-methyl-5-(chlorosulfonyl)benzene; 3-Methyl-5-bromobenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-bromo-5-methyl-; 885520-33-2; 3-Bromo-5-methylphenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methylbenzsulphonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our commitment to quality ensures reliable performance in your most demanding synthetic applications.

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 and reactivity as a strong acid/organic solvent derivative, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition from moisture ingress. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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