Description

2,2-Bis[(3-Mercapto-1-Oxopropoxy)Methyl]-1,3-Propanediyl Dioctanoate is a specialized multifunctional thiol ester compound, valued for its unique combination of reactive thiol (-SH) groups and a flexible, hydrophobic backbone. This structure makes it a critical intermediate and cross-linking agent in advanced polymer synthesis, particularly for creating materials with tailored mechanical and chemical resistance properties. It is essential for R&D and production in high-performance coatings, adhesives, and specialty elastomers where precise control over network formation is required.

Application

• Cross-linking Agent for Polymers: Used in the synthesis of polyurethanes, epoxy resins, and acrylic systems to enhance hardness, chemical resistance, and thermal stability.
• Intermediate for Specialty Chemicals: Serves as a key building block in the production of lubricant additives, corrosion inhibitors, and surface modifiers.
• Adhesive and Sealant Formulations: Imparts improved adhesion, flexibility, and durability in high-performance industrial and construction adhesives.
• Optical Material Production: Utilized in the manufacture of high-refractive-index lenses and optical coatings due to its ability to form clear, stable polymer matrices.
• Radiation-Curable Systems: Acts as a reactive diluent and co-monomer in UV-curable inks, coatings, and 3D printing resins.
• Pharmaceutical Intermediate: Employed in the research and synthesis of complex drug molecules and prodrugs requiring thiol-ester functionalities.

Basic Information

Product Name	2,2-Bis[(3-Mercapto-1-Oxopropoxy)Methyl]-1,3-Propanediyl Dioctanoate
CAS No.	96692-62-5
Molecular Formula	C27H48O8S2
Molecular Weight	564.79 g/mol
Synonyms	1,3-Propanediol, 2,2-bis[[3-(mercapto)-1-oxopropoxy]methyl]-, 1,3-dioctanoate; Pentaerythritol tetrakis(3-mercaptopropionate) derivative; Dioctanoyl pentaerythritol bis(3-mercaptopropionate); Thiol-functionalized pentaerythritol ester; Bis(3-mercaptopropionyl) pentaerythritol dioctanoate; 2,2-Bis(3-mercaptopropionyloxymethyl)propane-1,3-diyl dioctanoate; Mercapto ester crosslinker 96692-62-5
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and precise customer requirements. Each batch is analyzed to confirm identity, purity, and functional group content. Certificates of Analysis (COA) detailing specific parameters are available upon request. We adhere to a quality management system to guarantee batch-to-batch consistency and reliability for your industrial processes.

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). This material is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Thiol Content (Titration)	≥ 3.50 mmol/g
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.480 - 1.490
Density (20°C)	1.05 - 1.15 g/cm³

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