Description

4-Fluorosulphonylbenzenesulphonyl Chloride is a high-value, multi-functional chemical intermediate featuring both a reactive sulphonyl chloride group and a fluorosulphonyl moiety. This unique structure makes it a critical building block for synthesizing advanced sulfonamide derivatives and other specialty compounds. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used to develop new herbicides, fungicides, and insecticides with enhanced activity and selectivity.
• Functional Material Production: Building block for creating specialty polymers, dyes, and liquid crystals that require sulfonyl and fluorine functionalities.
• Chemical Research & Development: Essential reagent for exploring new organic reactions and creating compound libraries for high-throughput screening.
• Cross-Coupling Reagent: Serves as an electrophile in palladium-catalyzed cross-coupling reactions to introduce the fluorosulphonylphenyl group.

Basic Information

Product Name	4-Fluorosulphonylbenzenesulphonyl Chloride
CAS No.	30672-72-1
Molecular Formula	C6H3ClFO4S2
Molecular Weight	258.67 g/mol
Synonyms	4-Fluorobenzenesulfonyl chloride, 1-sulfonyl fluoride; 1-Fluoro-4-(chlorosulfonyl)benzene sulfonyl fluoride; Benzenesulfonyl chloride, 4-fluoro-1-sulfonyl fluoride; p-Fluorosulfonylbenzenesulfonyl chloride; 4-Fluorosulfonylbenzene-1-sulfonyl chloride; 30672-72-1; 4-FSO2C6H4SO2Cl
EINECS	Contact for details

Quality Control

Every batch of 4-Fluorosulphonylbenzenesulphonyl Chloride is manufactured and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including HPLC, GC, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific R&D or production requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

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%

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