Description

Thiomethacrylic Acid S-Methyl Ester is a specialized organosulfur compound featuring a reactive methacrylic ester group. This chemical serves as a versatile building block and intermediate, valued for its ability to introduce sulfur-containing functional groups into polymer chains and complex molecules. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring thioester or thioether linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the sulfur moiety enhances biological activity.
• Polymer & Material Science: Acts as a functional monomer or cross-linking agent in the development of specialty polymers, coatings, and adhesives with modified properties.
• Chemical Research & Development: A valuable reagent for organic synthesis, enabling Michael additions, radical polymerizations, and other transformations to create novel sulfur-containing molecules.
• Ligand & Catalyst Preparation: Employed in the synthesis of specialized ligands for metal catalysis and coordination chemistry.

Basic Information

Product Name	Thiomethacrylic Acid S-Methyl Ester
CAS No.	52496-39-6
Molecular Formula	C5H8OS
Molecular Weight	116.18 g/mol
Synonyms	2-Methyl-2-propenethioic acid S-methyl ester; Methacryloyl methyl sulfide; Methyl methacrylothioate; Methyl 2-methyl-2-propenethioate; S-Methyl methacrylothioate; Thiomethacrylic acid methyl thioester; 2-Methylprop-2-enethioic acid methyl ester
EINECS	Contact for details

Quality Control

Our Thiomethacrylic Acid S-Methyl Ester is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (IR, NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing batch-specific results are provided and 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 incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total

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