Description

4-Chloro-5-(Chlorosulfonyl)-2-Fluorobenzoic Acid is a high-purity, multifunctional aromatic intermediate of significant importance in advanced organic synthesis. Its core value lies in its reactive chlorosulfonyl and carboxylic acid groups, which enable precise derivatization for creating complex molecular architectures. This compound is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, where it serves as a critical building block for active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or benzoic acid moieties.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Dyestuff and Pigment Manufacturing: Serves as a building block for synthesizing complex, high-performance dyes and organic pigments.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers with specific functional properties.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new reaction pathways and creating novel chemical entities.
• Liquid Crystal and OLED Material Development: Potential intermediate for electronic chemicals used in display technologies.

Basic Information

Product Name	4-Chloro-5-(Chlorosulfonyl)-2-Fluorobenzoic Acid
CAS No.	56447-54-2
Molecular Formula	C7H3Cl2FO4S
Molecular Weight	273.06 g/mol
Synonyms	2-Fluoro-4-chloro-5-(chlorosulfonyl)benzoic acid; 5-Chlorosulfonyl-4-chloro-2-fluorobenzoic acid; Benzoic acid, 4-chloro-5-(chlorosulfonyl)-2-fluoro-; 4-Chloro-2-fluoro-5-sulfonylchloride benzoic acid
EINECS	Contact for details

Quality Control

Our 4-Chloro-5-(Chlorosulfonyl)-2-Fluorobenzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting research and industrial grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to guarantee traceability and consistency.

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 under dry conditions to prevent degradation. 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%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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