Description

4-Aminobenzene-1-Sulfonyl Chloride is a high-purity sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its dual functional groups, enabling efficient derivatization to create sulfonamides and other complex molecules. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including diuretics, antibiotics, and protease inhibitors.
• Agrochemical Synthesis: Used to manufacture herbicides, fungicides, and plant growth regulators with sulfonamide moieties.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing sulfonated azo dyes and other colorants.
• Polymer Modification: Employed to introduce sulfonyl chloride groups into polymers for enhanced properties or further functionalization.
• Chemical Research & Development: A versatile reagent for constructing molecular libraries and exploring new synthetic pathways in medicinal chemistry.
• Cross-linking Agent: Utilized in the preparation of specialty resins and materials requiring covalent cross-links.

Basic Information

Product Name	4-Aminobenzene-1-Sulfonyl Chloride
CAS No.	24939-24-0
Molecular Formula	C6H6ClNO2S
Molecular Weight	191.64 g/mol
Synonyms	4-Aminobenzenesulfonyl chloride; p-Aminobenzenesulfonyl chloride; Sulfanilyl chloride; 4-Sulfamoylphenyl chloride; Benzenesulfonyl chloride, 4-amino-; ABS-Cl; 1-Amino-4-chlorosulfonylbenzene; p-Sulfanilyl chloride
EINECS	Contact for details

Quality Control

Our 4-Aminobenzene-1-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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