Description

2-Chloro-4-(Chlorosulfonyl)Benzoic Acid is a high-purity, multi-functional organic intermediate of significant commercial importance in advanced chemical synthesis. Its unique structure, featuring both a carboxylic acid and a reactive chlorosulfonyl group, makes it a versatile building block for constructing complex molecules. This compound is primarily sought after by manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and other therapeutic compounds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging the sulfonyl chloride moiety for creating sulfonylurea or sulfonamide derivatives.
• Dyestuff and Pigment Manufacturing: Serves as a critical intermediate for synthesizing high-performance azo dyes and organic pigments.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like solubility, adhesion, or reactivity.
• Chemical Research & Development: A valuable reagent in organic synthesis for academic and industrial R&D, particularly in heterocyclic and medicinal chemistry.
• Liquid Crystal and OLED Material Production: Used in the synthesis of specialized organic molecules for electronic display applications.

Basic Information

Product Name	2-Chloro-4-(Chlorosulfonyl)Benzoic Acid
CAS No.	61953-04-6
Molecular Formula	C7H4Cl2O4S
Molecular Weight	255.08 g/mol
Synonyms	4-(Chlorosulfonyl)-2-chlorobenzoic Acid; 2-Chloro-4-chlorosulfonylbenzoic Acid; Benzoic acid, 2-chloro-4-(chlorosulfonyl)-; 2-Chloro-4-sulfonylchloride Benzoic Acid; 2-Chloro-4-chlorosulfonyl-benzoic acid; 2-Chloro-4-(chlorosulfonyl)benzoic acid; 4-(Chlorosulfonyl)-2-chloro-benzoic acid
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-(Chlorosulfonyl)Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material meets the stringent requirements for use in pharmaceutical and fine chemical synthesis.

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 to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm

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