Description

3-Chloro-4-Fluorobenzenesulfinic Acid Sodium Salt is a high-purity, organosulfur intermediate of significant importance in modern synthetic chemistry. Its value lies in its role as a versatile building block for introducing the sulfinic acid moiety into more complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used in the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those containing sulfone or sulfonamide functional groups.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides.
• Material Science: Serves as a precursor for specialty polymers and functional materials requiring specific sulfur-based linkages.
• Organic Synthesis Reagent: Employed in cross-coupling reactions and as a nucleophile for constructing C-S bonds in complex organic molecules.
• Chemical Research & Development: A critical reagent for medicinal chemistry and process chemistry in both academic and industrial R&D settings.

Basic Information

Product Name	3-Chloro-4-Fluorobenzenesulfinic Acid Sodium Salt
CAS No.	1101822-79-0
Molecular Formula	C6H3ClFNaO2S
Molecular Weight	216.59 g/mol
Synonyms	Sodium 3-Chloro-4-fluorobenzenesulfinate; Benzenesulfinic acid, 3-chloro-4-fluoro-, sodium salt; 3-Chloro-4-fluorobenzenesulfinate sodium; 3-Chloro-4-fluorophenylsulfinic acid sodium salt
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Fluorobenzenesulfinic Acid Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm

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