Description

Methyl (Methylthio)Acetate is a versatile sulfur-containing ester with a distinctive thioether functional group, serving as a valuable intermediate in organic synthesis. This compound is particularly significant for its role in introducing the methylthio moiety into target molecules, enabling the synthesis of complex agrochemicals, pharmaceuticals, and specialty chemicals. It is primarily needed by R&D chemists and process development teams in the agrochemical, pharmaceutical, and fragrance industries seeking efficient synthetic building blocks.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of certain herbicides, fungicides, and insecticides, where the methylthio group contributes to biological activity.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs) and other bioactive molecules requiring sulfur incorporation.
• Flavor and Fragrance Ingredient: Acts as an intermediate in the production of sulfur-containing flavor compounds that impart meaty, savory, or roasted notes.
• Organic Synthesis Reagent: Employed in various organic transformations, including alkylation and as a source of the SCH3 group in nucleophilic substitution reactions.
• Polymer Modification: Can be used to introduce functional groups into polymer chains for specialty material applications.
• Research & Development: A valuable tool for academic and industrial research in exploring new synthetic pathways and novel chemical entities.

Basic Information

Product Name	Methyl (Methylthio)Acetate
CAS No.	16630-66-3
Molecular Formula	C4H8O2S
Molecular Weight	120.17 g/mol
Synonyms	Methyl 2-(Methylthio)acetate; Acetic acid, 2-(methylthio)-, methyl ester; 2-(Methylthio)acetic acid methyl ester; Methyl methylthioacetate; Methylthiomethyl acetate; Methyl (methylmercapto)acetate; NSC 88431
EINECS	240-698-5

Quality Control

Our Methyl (Methylthio)Acetate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture uptake and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	1.10 - 1.15 g/mL

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