Description

2,3-Dichlorobenzenesulfonyl Chloride is a versatile and highly reactive aromatic sulfonyl chloride derivative. This compound serves as a critical building block in organic synthesis, enabling the introduction of the sulfonamide functional group. It is primarily sought after by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides that incorporate sulfonamide moieties for enhanced bioactivity.
• Dyestuff and Pigment Manufacturing: Acts as an intermediate in creating sulfonated dyes and specialty pigments.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating compound libraries.
• Ligand and Catalyst Development: Used to synthesize novel sulfonamide-containing ligands for metal complexes and catalysts.

Basic Information

Product Name	2,3-Dichlorobenzenesulfonyl Chloride
CAS No.	82417-45-6
Molecular Formula	C6H3Cl3O2S
Molecular Weight	245.51 g/mol
Synonyms	2,3-Dichlorobenzene-1-sulfonyl chloride; 1,2-Dichloro-3-(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 2,3-dichloro-; 2,3-Dichlorophenylsulfonyl chloride; 2,3-DCBSC; 2,3-Dichlorobenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Our 2,3-Dichlorobenzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases, amines, and alcohols.

Specification

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

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