Description

n-Propyl 3-Mercaptopropionate is a specialized organosulfur compound, specifically a thioester, with the CAS registry number 165804-07-9. This chemical serves as a versatile intermediate and building block, valued for its ability to introduce thiol and ester functionalities in synthesis. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and polymer industries for applications ranging from drug development to material science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thiol or propionate ester moieties.
• Agrochemical Synthesis: Acts as a key precursor in the production of certain herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Employed as a chain transfer agent (CTA) or cross-linking agent in the production and modification of specialty polymers and resins.
• Flavor & Fragrance Ingredient: Serves as a synthetic intermediate for certain sulfur-containing flavor compounds.
• Chemical Research (R&D): A valuable reagent in organic synthesis for constructing complex molecules, including peptides and heterocycles.
• Lubricant & Fuel Additive Precursor: Used in the synthesis of extreme pressure (EP) additives and antioxidant components.

Basic Information

Product Name	n-Propyl 3-Mercaptopropionate
CAS No.	165804-07-9
Molecular Formula	C6H12O2S
Molecular Weight	148.22 g/mol
Synonyms	3-Mercaptopropionic Acid Propyl Ester; Propyl 3-Mercaptopropanoate; Propyl β-Mercaptopropionate; 3-(Propoxycarbonyl)propane-1-thiol; n-Propyl β-Mercaptopropionate; Propyl 3-sulfanylpropanoate; 165804-07-9; Mercaptopropionic acid propyl ester
EINECS	Contact for details

Quality Control

Our n-Propyl 3-Mercaptopropionate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	1.04 - 1.08 g/mL

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