Description

Butanoyl Chloride, 4-[(2-Chloroethyl)Sulfonyl]- is a specialized organic intermediate featuring a reactive acid chloride group and a chloroethylsulfonyl moiety, making it a valuable building block for synthesizing complex molecules. This compound is critical for research and development chemists requiring precise functional group introduction for creating novel agrochemicals, pharmaceuticals, and advanced materials. It is primarily sought by fine chemical manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonamide or sulfone linkages.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Serves as a functional monomer or cross-linking agent to introduce specific reactive sites into polymer chains.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of specialized sulfonyl-containing dyes and organic pigments.
• Ligand and Catalyst Development: Useful for creating novel ligands for metal catalysis or functionalized surfaces in material science.
• Chemical Research: A versatile reagent for academic and industrial research in organic synthesis and medicinal chemistry.

Basic Information

Product Name	Butanoyl Chloride, 4-[(2-Chloroethyl)Sulfonyl]-
CAS No.	24352-85-0
Molecular Formula	C₆H₁₀Cl₂O₃S
Molecular Weight	233.11 g/mol
Synonyms	4-[(2-Chloroethyl)sulfonyl]butanoyl chloride; 4-(2-Chloroethanesulfonyl)butyryl chloride; 4-(2-Chloroethylsulfonyl)butyric acid chloride; Butyryl chloride, 4-[(2-chloroethyl)sulfonyl]-; 1-Butanoyl chloride, 4-[(2-chloroethyl)sulfonyl]-; NSC 163082
EINECS	Contact for details

Quality Control

Our Butanoyl Chloride, 4-[(2-Chloroethyl)Sulfonyl]- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.