Description

6-Ethyl-6-(2-Methoxyethoxy)-2,5,7,10-Tetraoxa-6-Silaundecane is a specialized organosilicon compound, specifically a silane coupling agent with a unique polyether-modified structure. This chemical matters for its ability to act as a versatile surface modifier and adhesion promoter, bridging organic polymers with inorganic substrates. Industries such as advanced polymer manufacturing, specialty coatings, and electronics rely on this compound to enhance material compatibility, improve dispersion, and increase the durability of composite materials.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic resin systems for coatings and adhesives.
• As a surface treatment agent for inorganic fillers (e.g., silica, glass fibers) to improve their compatibility and dispersion in polymer matrices.
• In the formulation of release coatings and mold release agents for polyurethane and silicone rubber processing.
• As a key intermediate or additive in the synthesis of specialty silicones and modified polymers for high-performance applications.
• In electronic encapsulants and potting compounds to enhance moisture resistance and interfacial bonding.
• For fiber sizing and treatment to improve the mechanical properties of glass or carbon fiber reinforced composites.

Basic Information

Product Name	6-Ethyl-6-(2-Methoxyethoxy)-2,5,7,10-Tetraoxa-6-Silaundecane
CAS No.	18044-51-4
Molecular Formula	C12H26O6Si
Molecular Weight	294.42 g/mol
Synonyms	3-(2-(2-Methoxyethoxy)ethoxy)propyltriethoxysilane; Triethoxy[3-(2-(2-methoxyethoxy)ethoxy)propyl]silane; (3-(2-(2-Methoxyethoxy)ethoxy)propyl)triethoxysilane; Silane, triethoxy[3-[2-(2-methoxyethoxy)ethoxy]propyl]-; Dynasylan® 4144; A-1230; Polyether-modified triethoxysilane; Glycidoxypropyltriethoxysilane derivative (polyether type)
EINECS	Contact for details

Quality Control

Our production of 6-Ethyl-6-(2-Methoxyethoxy)-2,5,7,10-Tetraoxa-6-Silaundecane adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay and purity verification by GC or HPLC, to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing all relevant parameters is provided with each shipment to guarantee traceability and quality assurance for our global B2B clients.

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 moisture-sensitive (hygroscopic); keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.425 - 1.435
Density (20°C)	1.00 - 1.05 g/cm³
Water Content (KF)	≤ 0.5%

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