Description

3-Methylbenzenesulfinic Acid Sodium Salt is a versatile organosulfur compound widely utilized as a key synthetic intermediate. Its primary value lies in its role as a nucleophilic sulfinate reagent, enabling the efficient introduction of the tolylsulfinyl group into target molecules. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors engaged in advanced organic synthesis and process development.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfone or sulfonamide moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the tolylsulfinyl group imparts specific biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral sulfoxide ligands used in asymmetric catalysis.
• Polymer Modification: Employed to introduce functional groups into polymer chains, altering material properties.
• Organic Synthesis Reagent: Acts as a nucleophile in C-S bond-forming reactions, such as sulfoxide synthesis and nucleophilic aromatic substitution.
• Chemical Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic methodologies.

Basic Information

Product Name	3-Methylbenzenesulfinic Acid Sodium Salt
CAS No.	15898-38-1
Molecular Formula	C7H7NaO2S
Molecular Weight	178.18 g/mol
Synonyms	Sodium 3-methylbenzenesulfinate; Sodium m-toluenesulfinate; m-Toluenesulfinic acid sodium salt; 3-Tolylsulfinic acid sodium salt; Sodium 3-tolylsulfinate; Benzenesulfinic acid, 3-methyl-, sodium salt (1:1); m-Tolylsulfinic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our 3-Methylbenzenesulfinic Acid Sodium Salt is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment, supporting your quality assurance and regulatory compliance needs.

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 prevent degradation.

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	≤ 0.1%

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