Description

6-Methylheptyl 3-Mercaptopropionate is a specialized organosulfur compound featuring a thiol (mercapto) functional group. This chemical is valued for its role as a versatile intermediate and chain transfer agent in controlled polymerization processes, enabling precise molecular weight control. 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, particularly for acrylics and styrenics, to regulate polymer molecular weight and architecture.
• Adhesive Formulations: Serves as a key intermediate in the production of pressure-sensitive adhesives (PSAs) and other specialty adhesives requiring specific rheological properties.
• Surface Coatings: Used in the synthesis of resins and oligomers for high-performance coatings, contributing to improved flexibility and durability.
• Lubricant Additives: Functions as a precursor for sulfur-containing additives that enhance the extreme pressure (EP) and anti-wear properties of industrial lubricants.
• Flavor & Fragrance Industry: May be employed as a building block for synthesizing specific sulfur-containing aroma chemicals, given its unique alkyl mercaptopropionate structure.
• Pharmaceutical Intermediates: Utilized in the research and development of active pharmaceutical ingredients (APIs) where a thioester moiety is required.

Basic Information

Product Name	6-Methylheptyl 3-Mercaptopropionate
CAS No.	89136-90-3
Molecular Formula	C11H22O2S
Molecular Weight	218.36 g/mol
Synonyms	3-Mercaptopropionic Acid 6-Methylheptyl Ester; 6-Methylheptyl 3-Mercaptopropanoate; 3-(Mercapto)propionic Acid Isooctyl Ester; Isooctyl 3-Mercaptopropionate; Isooctyl Mercaptopropionate; 6-Methylheptyl β-Mercaptopropionate; 89136-90-3; 3-Mercaptopropionic Acid Isooctyl Ester
EINECS	Contact for details

Quality Control

Our production of 6-Methylheptyl 3-Mercaptopropionate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity profiling, and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. Due to the presence of the thiol group, ensure containers are properly sealed to prevent oxidation and minimize odor.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	0.95 - 0.98 g/mL
Water Content (KF)	≤ 0.5%

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