Description

1-Butanesulfonyl Chloride, 2-Ethyl- is a specialized organosulfur compound that serves as a versatile sulfonylation reagent and a key synthetic intermediate. Its value lies in its ability to introduce the sulfonyl functional group into target molecules, enabling the synthesis of sulfonamides, sulfonate esters, and other derivatives critical for advanced material and pharmaceutical development. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups for enhanced efficacy.
• Polymer Modification: Acts as a functionalizing agent to introduce sulfonyl chloride groups into polymer chains, altering material properties for specialty applications.
• Dye and Pigment Manufacturing: Employed in the synthesis of sulfonated dyes and colorants to improve solubility and fastness properties.
• Ligand and Catalyst Development: Useful in organic and organometallic chemistry for preparing novel sulfonated ligands and catalysts.
• Chemical Research & Development: A critical reagent for method development and exploring new synthetic pathways in academic and industrial R&D laboratories.

Basic Information

Product Name	1-Butanesulfonyl Chloride, 2-Ethyl-
CAS No.	854463-29-9
Molecular Formula	C6H13ClO2S
Molecular Weight	184.68 g/mol
Synonyms	2-Ethyl-1-butanesulfonyl chloride; 2-Ethylbutane-1-sulfonyl chloride; 2-Ethylbutylsulfonyl chloride; 1-Butanesulfonyl chloride, 2-ethyl-; NSC 405124; 2-Ethylbutanesulfonyl chloride; (2-Ethylbutyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 1-Butanesulfonyl Chloride, 2-Ethyl- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards expected by the pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (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 strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Density (at 20°C)	~1.15 g/mL

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