Description

Dimethyl Mercaptosuccinate is a versatile sulfur-containing organic ester with significant utility as a key intermediate in fine chemical synthesis. Its value lies in its unique molecular structure, which incorporates both ester and thiol functional groups, enabling its use in the production of pharmaceuticals, agrochemicals, and specialty polymers. This compound is particularly sought after by research institutions and industrial manufacturers in the chemical, pharmaceutical, and material science sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a thiol or sulfide moiety.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides, where the mercapto group can impart specific biological activity.
• Polymer Modification: Acts as a chain transfer agent or a monomer in the synthesis of specialty polymers and resins to modify properties like adhesion, flexibility, or cross-linking density.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for introducing sulfur-containing functional groups into target molecules.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing certain sulfur-containing aroma compounds, though specific grades are required.
• Lubricant Additive Precursor: Can be used in the development of extreme pressure (EP) and anti-wear additives for industrial lubricants.

Basic Information

Product Name	Dimethyl Mercaptosuccinate
CAS No.	1795-56-8
Molecular Formula	C6H10O4S
Molecular Weight	178.21 g/mol
Synonyms	Dimethyl 2-mercaptosuccinate; Mercaptosuccinic Acid Dimethyl Ester; 2-Mercaptosuccinic Acid Dimethyl Ester; Dimethyl Thiomalate; Succinic Acid, 2-mercapto-, Dimethyl Ester; Thiomalic Acid Dimethyl Ester
EINECS	217-277-2

Quality Control

Our Dimethyl Mercaptosuccinate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay by GC or HPLC, identity confirmation (IR), and control of key impurities, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment and is available upon request.

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). Keep away from strong oxidizing agents, strong bases, and sources of ignition. Due to the presence of the thiol group, prolonged exposure to air should be minimized.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.480 - 1.490
Density (g/mL, 20°C)	1.220 - 1.250

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