Description

2-Ethoxy-4-Methyl-Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative, a key reactive intermediate in modern synthetic chemistry. Its primary value lies in its role as a versatile sulfonylation reagent, enabling the efficient introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals requiring specific sulfonamide linkages.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor modulators.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the sulfonyl moiety contributes to biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for creating sulfonated dyes and specialty colorants with enhanced solubility and fastness properties.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers to impart specific chemical resistance or functional groups.
• Chemical Research & Development: A valuable tool for medicinal chemists and process development scientists exploring new synthetic routes and molecular entities.
• Ligand and Catalyst Preparation: Used to functionalize ligands and create novel organocatalysts or metal complexes for asymmetric synthesis.

Basic Information

Product Name	2-Ethoxy-4-Methyl-Benzenesulfonyl Chloride
CAS No.	956722-60-4
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	4-Methyl-2-ethoxybenzenesulfonyl chloride; 1-Ethoxy-2-methyl-4-sulfonyl chloride benzene; 2-Ethoxy-4-methylbenzene-1-sulfonyl chloride; 4-Methyl-2-ethoxybenzene-1-sulfonyl chloride; 2-Methyl-4-ethoxybenzenesulfonyl chloride; p-Tolyl-2-ethoxy sulfonyl chloride (informal); Benzenesulfonyl chloride, 2-ethoxy-4-methyl-
EINECS	Contact for details

Quality Control

Every batch of 2-Ethoxy-4-Methyl-Benzenesulfonyl Chloride is produced and tested under a strict quality management system to ensure consistency and reliability for your synthetic processes. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment, and our quality protocols are designed to support cGMP manufacturing where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 hydrolysis and degradation. Keep away from moisture, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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