Description

4-Chlorobenzenesulfonamide is a versatile organic intermediate characterized by its sulfonamide functional group and chlorinated aromatic ring. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers involved in developing active pharmaceutical ingredients (APIs), dyes, and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various sulfonamide-based drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Serves as an intermediate for creating specific azo dyes and colorants.
• Chemical Research & Development: Employed as a standard reagent or building block in organic synthesis and method development.
• Polymer Additives: Can be utilized in the modification of polymers to impart specific properties.

Basic Information

Product Name	4-Chlorobenzenesulfonamide
CAS No.	98-64-6
Molecular Formula	C6H6ClNO2S
Molecular Weight	191.63 g/mol
Synonyms	p-Chlorobenzenesulfonamide; 4-Chlorobenzene-1-sulfonamide; Benzenesulfonamide, 4-chloro-; NSC 403697; 1-Chloro-4-sulfamoylbenzene; p-Chlorophenylsulfonamide; 4-Chlorophenylsulfonamide
EINECS	202-690-3

Quality Control

Our 4-Chlorobenzenesulfonamide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	143 - 147 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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