Description

4-Chlorobenzylsulfonyl Chloride is a versatile and reactive organosulfur compound primarily used as a key synthetic intermediate. Its bifunctional nature, featuring both a sulfonyl chloride and a chlorobenzyl group, makes it a critical building block for constructing more complex molecules in advanced chemical synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and pesticides, leveraging the sulfonyl chloride moiety for creating bioactive compounds.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for the development of specialty polymers with specific thermal or chemical resistance properties.
• Dye and Pigment Manufacturing: Employed in the synthesis of sulfonated dyes and organic pigments that require high color fastness and stability.
• Ligand and Catalyst Development: Useful for preparing specialized ligands for metal catalysis or functional materials in research and development.
• Chemical Research: A valuable reagent in organic synthesis for introducing the 4-chlorobenzylsulfonyl functional group into target molecules.

Basic Information

Item	Detail
Product Name	4-Chlorobenzylsulfonyl Chloride
CAS No.	6966-45-6
Molecular Formula	C7H6Cl2O2S
Molecular Weight	225.09 g/mol
Synonyms	p-Chlorobenzylsulfonyl Chloride; 1-(Chloromethyl)-4-chlorobenzene Sulfonyl Chloride; 4-Chlorophenylmethanesulfonyl Chloride; (4-Chlorophenyl)methanesulfonyl Chloride; Benzenemethanesulfonyl Chloride, 4-chloro-; α-Chloro-4-chlorotoluene-p-sulfonyl Chloride; 4-Chlorobenzyl Chloride Sulfone; 4-CBC
EINECS	Contact for details

Quality Control

Our 4-Chlorobenzylsulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and support your quality assurance protocols.

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, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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