Description

5-Methylheptyl 3-Mercaptopropionate is a specialized organosulfur compound featuring a thiol ester functional group. This chemical is valued for its role as a versatile intermediate and chain transfer agent in polymer synthesis, enabling precise control over molecular weight and polymer architecture. It is primarily sought by manufacturers in the polymer, adhesive, and specialty chemical industries for developing advanced materials with tailored properties.

Application

• Polymer Synthesis: Acts as an effective chain transfer agent (CTA) in free-radical polymerization for controlling molecular weight distribution in acrylics, styrenics, and other polymers.
• Adhesive Formulation: Serves as a key intermediate in the production of pressure-sensitive adhesives (PSAs) and structural adhesives, enhancing tack and peel strength.
• Specialty Monomers: Used in the synthesis of functional monomers that impart specific characteristics like low odor, improved adhesion, or crosslinking capability to final products.
• Lubricant & Fuel Additives: Employed as a precursor for additives that improve extreme pressure (EP) properties, anti-wear performance, and oxidation stability.
• Surface Coatings: Incorporated into resin systems for coatings to modify flexibility, adhesion, and durability.
• Pharmaceutical Intermediates: Utilized in the research and synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.

Basic Information

Product Name	5-Methylheptyl 3-Mercaptopropionate
CAS No.	41004-47-1
Molecular Formula	C11H22O2S
Molecular Weight	218.36 g/mol
Synonyms	3-Mercaptopropionic Acid 5-Methylheptyl Ester; 5-Methylheptyl 3-Mercaptopropanoate; 5-Methylheptyl β-Mercaptopropionate; 5-Methylheptyl Ester of 3-Mercaptopropionic Acid; Thioglycolic Acid Heptyl Ester Derivative; MMP Ester; Chain Transfer Agent 41004-47-1
EINECS	Contact for details

Quality Control

Our 5-Methylheptyl 3-Mercaptopropionate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your specific application requirements.

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 (store under inert atmosphere) and is light-sensitive. Keep away from strong oxidizing agents, strong acids, and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Specific Gravity (20°C)	0.950 - 0.980
Refractive Index (20°C)	1.460 - 1.470
Water Content (KF)	≤ 0.5%

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