Description

4-Phenoxybenzenesulfonyl Chloride is a specialized organic sulfonyl chloride derivative, serving as a critical building block in advanced chemical synthesis. Its high reactivity as a sulfonylation agent makes it indispensable for introducing the phenoxybenzenesulfonyl moiety into target molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of 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 group is integral to biological activity.
• Polymer Chemistry: Acts as a monomer or modifying agent in the creation of specialty polymers with specific thermal or chemical resistance properties.
• Dye and Pigment Manufacturing: Intermediate for synthesizing sulfonated dyes and organic pigments that require enhanced solubility or color fastness.
• Material Science Research: Employed in surface modification and the development of novel organic electronic materials or coatings.
• Chemical Biology & Proteomics: Useful as a labeling or cross-linking reagent for studying protein interactions and function.

Basic Information

Product Name	4-Phenoxybenzenesulfonyl Chloride
CAS No.	1623-92-3
Molecular Formula	C12H9ClO3S
Molecular Weight	268.72 g/mol
Synonyms	p-Phenoxybenzenesulfonyl chloride; 4-Phenoxybenzene-1-sulfonyl chloride; (4-Phenoxyphenyl)sulfonyl chloride; 1-Chlorosulfonyl-4-phenoxybenzene; Benzenesulfonyl chloride, 4-phenoxy-; Phenoxybenzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Phenoxybenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a 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 strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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