Description

Sodium 4-Toluenesulfinate Hydrate is an organosulfur compound widely utilized as a versatile sulfinate reagent in organic synthesis. Its primary value lies in its role as a key building block for introducing the p-tolylsulfonyl (tosyl) group and as a precursor to sulfones and other sulfur-containing molecules. This chemical is essential for research and development laboratories, pharmaceutical intermediates manufacturing, and specialty chemical synthesis where controlled sulfonylation reactions are required.

Application

• Pharmaceutical Intermediate: A crucial reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing sulfonamide and sulfone moieties.
• Organic Synthesis Reagent: Employed in cross-coupling reactions, radical reactions, and as a source of sulfinate anions for constructing C-S bonds.
• Polymer & Material Science: Used as a monomer or modifying agent in the production of specialty polymers and functional materials.
• Agrochemical Synthesis: Serves as a building block in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfur-containing dyes and organic pigments.
• Research & Development: A valuable tool in academic and industrial R&D for methodological development in synthetic chemistry.

Basic Information

Product Name	Sodium 4-Toluenesulfinate Hydrate
CAS No.	7257-26-3
Molecular Formula	C7H7NaO2S · xH2O
Molecular Weight	Anhydrous: 178.18 g/mol
Synonyms	Sodium p-Toluenesulfinate Hydrate; Sodium Tosylsulfinate Hydrate; 4-Methylbenzenesulfinic Acid Sodium Salt Hydrate; p-Toluenesulfinic Acid Sodium Salt Hydrate; Tosylsulfinic Acid Sodium Salt; Sodium 4-Methylbenzenesulfinate; Benzenesulfinic acid, 4-methyl-, sodium salt, hydrate
EINECS	Contact for details

Quality Control

Our Sodium 4-Toluenesulfinate Hydrate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay (by titration), identification (IR), and tests for specific impurities, to ensure it meets high-purity standards suitable for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results and specifications is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 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.