Description

Methylsulfide Anion CAS NO 17302-63-5 is a reactive organosulfur species, commonly encountered as a salt or generated in situ for synthetic transformations. This compound matters as a versatile nucleophile and base, enabling critical carbon-sulfur bond formation and deprotonation reactions in advanced chemical synthesis. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate Synthesis: Employed as a key building block and nucleophile in the production of active pharmaceutical ingredients (APIs) containing thioether or sulfonium functionalities.
• Agrochemical Manufacturing: Used in the synthesis of herbicides, fungicides, and insecticides where the methylthio group is a critical bioactive moiety.
• Ligand and Catalyst Preparation: Serves as a precursor for generating sulfur-based ligands used in transition metal catalysis and coordination chemistry.
• Polymer Modification: Applied in the functionalization of polymers to introduce sulfur-containing side chains, altering material properties like adhesion or chemical resistance.
• Organic Synthesis Reagent: Acts as a strong base for deprotonation reactions and as a nucleophile in substitution reactions with alkyl halides or epoxides.
• Flavor and Fragrance Industry: Utilized in the controlled synthesis of sulfur-containing aroma compounds, though typically in highly purified grades.

Basic Information

Product Name	Methylsulfide Anion
CAS No.	17302-63-5
Molecular Formula	CH3S-
Molecular Weight	47.10 g/mol
Synonyms	Methanethiolate anion; Methyl mercaptide anion; Methylthiolate; Thiomethoxide; Sodium methanethiolate (common salt form); Methyl sulfide ion; CH3S-; Methyl sulfanyl anion
EINECS	Contact for details

Quality Control

Our Methylsulfide Anion is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by titration and identification by FT-IR, to ensure consistency and purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Due to its nature as a fluoride/strong alkali, this material must be stored in a cool, dry, well-ventilated area, segregated from acids and oxidizing agents. For long-term stability, maintain at controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white solid or solution
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residual Solvent (GC)	To be specified per grade

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