Description

2-Ethoxy-Benzenesulfonyl Chloride is a versatile and reactive organosulfur compound primarily used as a key sulfonylation reagent in organic synthesis. Its value lies in its ability to introduce the 2-ethoxybenzenesulfonyl moiety, a functional group of significant interest in pharmaceutical and agrochemical research. This intermediate is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and agrochemical industries developing new active ingredients and specialty molecules.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in the development of sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the sulfonyl chloride group enables specific biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor in the creation of specialized sulfonated dyes and colorants.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains, altering properties like solubility, thermal stability, and reactivity.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating complex organic molecules.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	2-Ethoxy-Benzenesulfonyl Chloride
CAS No.	68800-33-9
Molecular Formula	C8H9ClO3S
Molecular Weight	220.67 g/mol
Synonyms	o-Ethoxybenzenesulfonyl Chloride; 1-Ethoxy-2-sulfonylchloridobenzene; 2-Ethoxybenzene-1-sulfonyl Chloride; Benzenesulfonyl chloride, 2-ethoxy-; o-Ethoxy Phenyl Sulfonyl Chloride; 2-Ethoxyphenylsulfonyl Chloride; 1-Ethoxy-2-(chlorosulfonyl)benzene; 2-Ethoxybenzenesulfonoyl Chloride
EINECS	Contact for details

Quality Control

Our 2-Ethoxy-Benzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

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

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