Description

2,5-Dimethyl-4-Methoxybenzenesulfonylchloride is a specialized sulfonyl chloride derivative, a key intermediate in advanced organic synthesis. Its value lies in its high reactivity as a sulfonylation agent, enabling the introduction of the sulfonyl functional group to construct complex molecules with precision. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of modern herbicides and fungicides, where the sulfonyl moiety contributes to biological activity.
• Dyestuff and Pigment Manufacturing: Serves as a precursor for creating sulfonated dyes and specialty colorants with enhanced properties.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers to impart specific functional characteristics.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of advanced organic materials for display and semiconductor applications.

Basic Information

Item	Details
Product Name	2,5-Dimethyl-4-Methoxybenzenesulfonylchloride
CAS No.	91179-12-3
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	4-Methoxy-2,5-dimethylbenzenesulfonyl chloride; 2,5-Dimethyl-4-methoxybenzene-1-sulfonyl chloride; 1-(Chlorosulfonyl)-2,5-dimethyl-4-methoxybenzene; 2,5-Dimethylanisole-4-sulfonyl chloride; p-Methoxy-2,5-dimethylbenzenesulfonyl chloride; AS-72339; LS-165666
EINECS	Contact for details

Quality Control

Every batch of our 2,5-Dimethyl-4-Methoxybenzenesulfonylchloride is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistent quality and reliable performance in your synthetic processes.

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). 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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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