Description

p-Toluenesulfinic Acid Sodium Salt is a versatile organosulfur compound widely used as a key reagent and intermediate in organic synthesis. Its primary value lies in its role as a nucleophilic sulfinate anion source, enabling critical carbon-sulfur bond-forming reactions. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the synthesis of sulfones, sulfonamides, and other sulfur-containing molecules.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs), particularly those containing sulfone or sulfonamide functional groups.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate sulfinyl or sulfonyl moieties for enhanced efficacy.
• Polymer Chemistry: Serves as a monomer or chain-transfer agent in the synthesis of specialty polymers and materials with specific sulfur-based properties.
• Cross-Coupling Reactions: Acts as a coupling partner in palladium-catalyzed reactions, such as the synthesis of biaryl sulfones.
• Organic Synthesis Reagent: Employed in nucleophilic addition and substitution reactions to introduce the p-toluenesulfinyl group into target molecules.
• Chemical Research & Development: A valuable tool for medicinal chemistry and process chemistry in exploring new synthetic pathways and compound libraries.

Basic Information

Product Name	p-Toluenesulfinic Acid Sodium Salt
CAS No.	207801-20-5
Molecular Formula	C7H7NaO2S
Molecular Weight	178.18 g/mol
Synonyms	Sodium p-Toluenesulfinate; Sodium 4-Methylbenzenesulfinate; Sodium Tosylsulfinate; 4-Methylbenzenesulfinic Acid Sodium Salt; p-Tolylsulfinic Acid Sodium Salt; Tosylsulfinic Acid Sodium Salt; Sodium 4-Toluenesulfinate
EINECS	Contact for details

Quality Control

Our p-Toluenesulfinic Acid Sodium Salt is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 absorption of atmospheric moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere to minimize potential oxidation.

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
Residue on Ignition	≤ 0.1%

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