Description

4-Fluorobenzenesulfinic Acid Sodium Salt is a versatile organosulfur compound that serves as a key building block in advanced organic synthesis. Its value lies in its role as a nucleophilic sulfinate anion source, enabling the efficient introduction of the 4-fluorophenylsulfinyl moiety into target molecules. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Critical for the synthesis of active pharmaceutical ingredients (APIs), especially those containing fluorinated aryl sulfone or sulfonamide groups.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides where the fluorophenylsulfinyl group enhances biological activity and stability.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral sulfoxide ligands used in asymmetric catalysis.
• Material Science Research: Employed in the development of advanced polymers and electronic materials with specific sulfinyl functionalities.
• Cross-Coupling Reactions: Acts as a coupling partner in palladium-catalyzed reactions for constructing complex biaryl sulfoxides.
• Chemical Research & Development: A valuable reagent for exploring new synthetic methodologies and fluorinated compound libraries.

Basic Information

Product Name	4-Fluorobenzenesulfinic Acid Sodium Salt
CAS No.	824-80-6
Molecular Formula	C6H4FNaO2S
Molecular Weight	182.15 g/mol
Synonyms	Sodium 4-Fluorobenzenesulfinate; Sodium p-Fluorobenzenesulfinate; 4-Fluorobenzenesulfinic Acid Sodium Salt; p-Fluorobenzenesulfinic Acid Sodium Salt; Benzenesulfinic Acid, 4-fluoro-, Sodium Salt (1:1); Sodium (4-fluorophenyl)sulfinate; 4-Fluorophenylsulfinic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our 4-Fluorobenzenesulfinic Acid Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent oxidation. Keep away from strong acids 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)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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