Description

o-Toluenesulfinic Acid, Sodium Salt is an organosulfur compound widely utilized as a versatile reagent and building block in synthetic organic chemistry. Its significance lies in its role as a nucleophilic sulfinate anion source, enabling the introduction of the o-tolylsulfonyl group into target molecules. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for constructing complex molecules and developing novel synthetic pathways.

Application

• Pharmaceutical Intermediates: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Polymer Chemistry: Acts as a chain transfer agent or functional monomer in the synthesis of specialty polymers and resins.
• Organic Synthesis Reagent: Employed in nucleophilic substitution reactions, cross-coupling reactions, and as a precursor to sulfones and sulfonamides.
• Dye and Pigment Manufacturing: Intermediate in the production of certain sulfur-containing dyes and colorants.
• Research & Development: A valuable tool for academic and industrial R&D in exploring new chemical reactions and methodologies.

Basic Information

Product Name	o-Toluenesulfinic Acid, Sodium Salt
CAS No.	15898-37-0
Molecular Formula	C7H7NaO2S
Molecular Weight	178.18 g/mol
Synonyms	Sodium o-Toluenesulfinate; Sodium 2-Methylbenzenesulfinate; 2-Methylbenzenesulfinic Acid Sodium Salt; o-Tolylsulfinic Acid Sodium Salt; Sodium o-Tolylsulfinate; Benzenesulfinic Acid, 2-Methyl-, Sodium Salt; o-Methylbenzenesulfinic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our o-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 quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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