Description

6-(2-Methoxyethoxy)-6-Propyl-2,5,7,10-Tetraoxa-6-Silaundecane is a specialized organosilicon compound, specifically a silane coupling agent with a unique polyether-functionalized structure. This compound is engineered to act as a highly effective adhesion promoter and surface modifier, creating strong, durable bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composites and electronics, where reliable interfacial performance is critical.

Application

• Adhesion Promoter in Coatings: Enhances the adhesion of paints, primers, and industrial coatings to difficult substrates like metals, glass, and plastics, improving durability and corrosion resistance.
• Surface Modification for Fillers: Used to treat silica, glass fibers, and other mineral fillers to improve their compatibility and dispersion within polymer matrices like epoxies, polyurethanes, and silicones.
• Sealant and Adhesive Formulation: A key ingredient in high-performance sealants and structural adhesives, providing excellent moisture resistance and long-term bond stability.
• Composite Material Manufacturing: Improves the interfacial bonding between reinforcing fibers (e.g., glass, carbon) and the resin in fiber-reinforced plastics (FRP), leading to composites with superior mechanical properties.
• Electronic Encapsulants and Potting Compounds: Enhances the adhesion and environmental protection of resins used to encapsulate sensitive electronic components.
• Release Coatings and Moldmaking: Can be utilized in formulations for semi-permanent release agents due to its organosilicon backbone.

Basic Information

Product Name	6-(2-Methoxyethoxy)-6-Propyl-2,5,7,10-Tetraoxa-6-Silaundecane
CAS No.	61877-82-5
Molecular Formula	C11H24O5Si
Molecular Weight	264.39 g/mol
Synonyms	3-[2-(2-Methoxyethoxy)ethoxy]propyltriethoxysilane; Triethoxy[3-[2-(2-methoxyethoxy)ethoxy]propyl]silane; (3-(2-(2-Methoxyethoxy)ethoxy)propyl)triethoxysilane; GPTES (Glycidoxypropyltriethoxysilane) derivative / analog; Polyether-functional trialkoxysilane; Silane coupling agent Z-6137 (Trade name equivalent); Dynasylan® 4130 (Potential trade name equivalent)
EINECS	Contact for details

Quality Control

Our production of 6-(2-Methoxyethoxy)-6-Propyl-2,5,7,10-Tetraoxa-6-Silaundecane adheres to a strict quality management system to ensure batch-to-batch consistency and high purity. Every lot undergoes rigorous analytical testing, including assay by GC or HPLC and identity confirmation by FT-IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation by atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.425 - 1.435
Density (20°C)	1.00 - 1.05 g/mL
Water Content (Karl Fischer)	≤ 0.5%

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