Description

Benzenesulfinyl Chloride is a versatile organosulfur reagent primarily used as a key intermediate in organic synthesis. Its high reactivity makes it essential for introducing the benzenesulfinyl group into target molecules, enabling the construction of complex chemical architectures. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries engaged in sulfoxide and sulfonamide synthesis.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs containing sulfoxide or sulfonamide functional groups.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the sulfinyl moiety contributes to biological activity.
• Polymer Chemistry: Serves as a modifier or cross-linking agent in the development of specialty polymers with tailored properties.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel sulfur-containing compounds.
• Dye and Pigment Manufacturing: Employed in the synthesis of sulfur-based dyes and functional colorants.
• Ligand and Catalyst Preparation: Used to synthesize chiral sulfoxides, which are important ligands in asymmetric catalysis.

Basic Information

Item	Details
Product Name	Benzenesulfinyl Chloride
CAS No.	4972-29-6
Molecular Formula	C6H5ClOS
Molecular Weight	160.62 g/mol
Synonyms	Benzenesulfenyl Chloride, Sulfinylbenzene Chloride, Phenylsulfinyl Chloride, Benzenesulfinyl Chloride, Thionyl Chloride Benzene Derivative, Benzenesulfenic Acid Chloride, Benzene Sulphinyl Chloride
EINECS	225-615-6

Quality Control

Our Benzenesulfinyl Chloride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration and identification by infrared spectroscopy (IR). A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from moisture and direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %

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