Description

4-Chlorobutane-1-Sulphonyl Chloride is a versatile bifunctional organosulfur compound, serving as a critical building block in advanced organic synthesis. Its dual reactive sites make it an essential intermediate for constructing complex molecular architectures with sulfonyl and alkyl halide functionalities. This high-purity reagent is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including protease inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used to create novel sulfonylurea herbicides and fungicides with specific biological activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing specialty polymers with sulfone groups.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and organocatalysis.
• Material Science: Intermediate for surface modification agents and functional materials requiring sulfonyl chloride chemistry.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	4-Chlorobutane-1-Sulphonyl Chloride
CAS No.	1633-84-7
Molecular Formula	C4H8Cl2O2S
Molecular Weight	191.08 g/mol
Synonyms	4-Chlorobutanesulfonyl Chloride; 1-Chloro-4-(chlorosulfonyl)butane; 4-Chlorobutylsulfonyl Chloride; Butane-1-sulphonyl chloride, 4-chloro-; 4-Chloro-1-butanesulfonyl Chloride; 4-Chlorobutane-1-sulfonyl Chloride; 4-Chlorobutyl Sulfonyl Chloride; 1-Butanesulfonyl chloride, 4-chloro-
EINECS	216-652-5

Quality Control

Our 4-Chlorobutane-1-Sulphonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration, purity verification via HPLC, and identification by FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 2-8°C. This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents. Keep away from heat, open flames, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Purity (HPLC)	≥ 97.0 %
Water Content (KF)	≤ 0.5 %

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