Description

6,6-Diethoxy-2,5,7,10-Tetraoxa-6-Silaundecane is a specialized organosilicon compound, specifically a silane coupling agent with a unique polyether backbone. This structure is critical for its role as a versatile adhesion promoter and surface modifier, enhancing compatibility between inorganic materials and organic polymers. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composite materials, where strong, durable interfacial bonds are required.

Application

• As a coupling agent in epoxy, polyurethane, and acrylic-based coatings to improve adhesion to glass, metal, and mineral surfaces.
• A key additive in sealant and adhesive formulations to enhance moisture resistance and long-term bond strength.
• Used as a surface treatment for glass fibers and mineral fillers (e.g., silica, talc) to improve dispersion and mechanical properties in composite materials.
• Employed in the production of moisture-curable systems, where it acts as a crosslinker and stabilizer.
• Facilitates the modification of inorganic nanoparticles for use in advanced electronic encapsulants and optical materials.
• Improves the performance of printing inks on non-porous substrates by promoting substrate wetting and adhesion.

Basic Information

Product Name	6,6-Diethoxy-2,5,7,10-Tetraoxa-6-Silaundecane
CAS No.	93924-00-6
Molecular Formula	C11H24O6Si
Molecular Weight	280.39 g/mol
Synonyms	3-[2-(2-Methoxyethoxy)ethoxy]propyltriethoxysilane; Diethylene glycol methyl ether 3-(triethoxysilyl)propyl ether; GPTES (Glycidoxypropyltriethoxysilane) analog; Silane coupling agent KH-?? (analog); Polyether-functional trialkoxysilane; (3-(2-(2-Methoxyethoxy)ethoxy)propyl)triethoxysilane; AEEA triethoxysilane; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 6,6-Diethoxy-2,5,7,10-Tetraoxa-6-Silaundecane adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including assay by GC or HPLC and identity confirmation by FT-IR and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to support your quality assurance and regulatory 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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.430
Density (g/mL, 20°C)	1.00 - 1.05
Water Content (Karl Fischer)	≤ 0.5%

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