Description

Methyl 3-(Dodecylthio)Propionate is a specialized organosulfur compound that serves as a versatile intermediate and functional additive. Its molecular structure, featuring a long alkyl chain and a thioether linkage, makes it valuable for modifying polymer properties and acting as a precursor in synthesis. This chemical is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries for applications requiring internal plasticization, compatibilization, or the introduction of sulfur functionalities.

Application

• Polymer Additive: Acts as an internal plasticizer and compatibilizer in PVC, polyolefins, and other polymers to improve flexibility and processing.
• Lubricant & Grease Formulation: Used as an extreme pressure (EP) additive and viscosity modifier in synthetic lubricants and industrial greases.
• Chemical Intermediate: Serves as a key building block for the synthesis of more complex surfactants, corrosion inhibitors, and specialty monomers.
• Surface Modification Agent: Imparts hydrophobic and anti-static properties to fibers, textiles, and coatings.
• Rubber Industry: Functions as a peptizing agent and processing aid in the vulcanization and compounding of synthetic rubbers.
• Adhesive & Sealant Formulation: Enhances adhesion and flexibility in high-performance adhesive and sealant systems.

Basic Information

Product Name	Methyl 3-(Dodecylthio)Propionate
CAS No.	19759-75-2
Molecular Formula	C₁₆H₃₂O₂S
Molecular Weight	288.49 g/mol
Synonyms	Methyl 3-(dodecylthio)propanoate; Methyl 3-(laurylthio)propionate; 3-(Dodecylthio)propionic acid methyl ester; Dodecyl 3-(methoxycarbonyl)propyl sulfide; Laurylthiopropionic acid methyl ester; Methyl β-dodecylthiopropionate; Propanoic acid, 3-(dodecylthio)-, methyl ester
EINECS	243-301-5

Quality Control

Our production of Methyl 3-(Dodecylthio)Propionate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.465 - 1.475
Density (20°C)	0.92 - 0.96 g/mL

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