Description

2,3-Dichlorobenzenesulfonamide is a specialized organic intermediate featuring a sulfonamide functional group flanked by chlorine substituents. This compound matters as a versatile building block for synthesizing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific sulfonamide motifs into their target compounds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and insecticides that incorporate benzenesulfonamide chemistry.
• Chemical Research & Development: Serves as a versatile precursor for creating custom ligands, catalysts, and other functional materials in organic synthesis.
• Dye and Pigment Intermediate: Employed in the manufacture of specialized dyes and pigments where the chlorinated sulfonamide structure imparts specific properties.
• Polymer Modification: Can be used to introduce functional groups into polymer chains to alter material characteristics like solubility or reactivity.

Basic Information

Product Name	2,3-Dichlorobenzenesulfonamide
CAS No.	82967-94-0
Molecular Formula	C6H5Cl2NO2S
Molecular Weight	226.08 g/mol
Synonyms	2,3-Dichlorobenzenesulfonamide; Benzenesulfonamide, 2,3-dichloro-; 2,3-Dichlorobenzene-1-sulfonamide; 2,3-Dichlorophenylsulfonamide; NSC 405124; 1-Sulfamoyl-2,3-dichlorobenzene; 2,3-Dichlorobenzenesulphonamide
EINECS	Contact for details

Quality Control

Our 2,3-Dichlorobenzenesulfonamide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characterization, supporting its use in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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