Description

2-Benzoyl-4-Chloro-Benzenesulfonyl Chloride is a high-purity, multi-functional chemical intermediate essential for advanced organic synthesis. This compound is valued for its dual reactive sites, the sulfonyl chloride and benzoyl groups, which enable its use in constructing complex molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and pesticides with sulfonyl urea or sulfonamide backbones.
• Dyestuff and Pigment Production: Serves as a precursor for synthesizing specialized dyes and colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic pathways.
• Liquid Crystal & OLED Material Development: Used in the synthesis of advanced electronic and display materials.

Basic Information

Product Name	2-Benzoyl-4-Chloro-Benzenesulfonyl Chloride
CAS No.	19562-55-1
Molecular Formula	C13H8Cl2O3S
Molecular Weight	315.17 g/mol
Synonyms	4-Chloro-2-benzoylbenzenesulfonyl chloride; 2-Benzoyl-4-chlorobenzenesulfonyl chloride; (4-Chloro-2-benzoylphenyl)sulfonyl chloride; 1-Chloro-4-(chlorosulfonyl)-2-benzoylbenzene; Benzenesulfonyl chloride, 2-benzoyl-4-chloro-; 19562-55-1; 4-Chloro-α-oxo-benzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Benzoyl-4-Chloro-Benzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical data is provided with each shipment.

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 material is hygroscopic (moisture-sensitive) and should be handled under dry 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
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 10 ppm

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