Description

Methyl 3-Mercaptopropionate is a versatile sulfur-containing ester with a distinctive thiol functionality. This compound is a valuable intermediate in organic synthesis, prized for its ability to introduce mercaptan groups and serve as a building block for more complex molecules. It is essential for manufacturers in the agrochemical, pharmaceutical, and polymer industries seeking to develop products with specific performance characteristics.

Application

• Agrochemical Intermediates: Key building block in the synthesis of certain herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a precursor for active pharmaceutical ingredients (APIs) and in the development of prodrugs.
• Polymer Modification: Acts as a chain transfer agent (CTA) or cross-linking agent in radical polymerization processes to control molecular weight and introduce thiol end-groups.
• Flavor and Fragrance Industry: Serves as an intermediate for creating sulfur-containing aroma compounds.
• Chemical Research: A valuable reagent in organic chemistry for Michael additions and other thiol-ene coupling reactions.
• Lubricant Additives: Potential intermediate in the production of extreme pressure (EP) and anti-wear additives.

Basic Information

Product Name	Methyl 3-Mercaptopropionate
CAS No.	2935-90-2
Molecular Formula	C4H8O2S
Molecular Weight	120.17 g/mol
Synonyms	3-Mercaptopropionic Acid Methyl Ester; Methyl β-Mercaptopropionate; Methyl 3-Sulfanylpropanoate; 3-(Methyloxy)-3-oxo-1-propanethiol; β-Mercaptopropionic Acid Methyl Ester; MMP; Mercaptopropionic Acid Methyl Ester
EINECS	220-925-1

Quality Control

Our Methyl 3-Mercaptopropionate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting all critical parameters 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 at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.460 - 1.470
Density (20°C)	1.090 - 1.110 g/mL

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