Description

Propanoic Acid 2-Mercaptoethyl Ester is a sulfur-containing organic ester with a thiol functional group, making it a versatile intermediate for chemical synthesis. Its primary commercial value lies in its dual reactivity, serving as a precursor for introducing both ester and thiol moieties into target molecules. This compound is particularly relevant for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to develop or produce specialized active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioether linkages or prodrug formulations.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the thiol group enables specific biological activity.
• Polymer Modification: Acts as a chain transfer agent or cross-linking monomer in the production of specialty polymers, rubbers, and adhesives to alter physical properties.
• Ligand and Chelator Precursor: Serves as a starting material for synthesizing complexing agents and ligands used in catalysis and metal extraction processes.
• Flavor and Fragrance Industry: Intermediate for creating sulfur-containing aroma compounds, contributing to savory or roasted notes in complex flavor profiles.
• Research & Development: Valuable reagent in organic chemistry R&D for exploring new synthetic pathways and novel molecular entities.

Basic Information

Product Name	Propanoic Acid 2-Mercaptoethyl Ester
CAS No.	70892-79-4
Molecular Formula	C5H10O2S
Molecular Weight	134.20 g/mol
Synonyms	2-Mercaptoethyl Propionate; 2-Sulfanylethyl Propanoate; β-Mercaptoethyl Propionate; Propionic Acid 2-Mercaptoethyl Ester; Thioethyl Propionate; 2-Hydroxyethyl Mercaptan Propanoate Ester; (2-Mercaptoethoxy)propanoic Acid (tautomeric form); EINECS 274-923-5
EINECS	274-923-5

Quality Control

Our Propanoic Acid 2-Mercaptoethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets the stringent requirements of our industrial and research clients. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, open flames, and strong oxidizing agents. Due to the thiol group, ensure proper containment to manage odor.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	1.05 - 1.15 g/mL

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