Description

6-Dodecyl-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 is engineered to provide superior compatibility and adhesion promotion between inorganic materials and organic polymers, addressing critical challenges in composite material formulation. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced polymer composites, where interfacial bonding and material performance are paramount.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives.
• To improve the dispersion and bonding of fillers (e.g., silica, glass) in silicone and organic polymer matrices.
• As a surface modifier for inorganic pigments and nanoparticles to enhance compatibility in composite materials.
• In the formulation of high-performance sealants and elastomers to improve moisture resistance and mechanical properties.
• For the functionalization of glass fibers and other reinforcements in fiber-reinforced plastics (FRP).
• As an additive in electronic encapsulants and potting compounds to ensure reliable performance.

Basic Information

Product Name	6-Dodecyl-6-(2-Methoxyethoxy)-2,5,7,10-Tetraoxa-6-Silaundecane
CAS No.	94277-90-4
Molecular Formula	C20H44O6Si
Molecular Weight	408.65 g/mol
Synonyms	Dodecyl PEG-2 silane; 3-[2-(2-Methoxyethoxy)ethoxy]propyl(dodecyl)dimethoxysilane; Dodecyldimethoxy[3-[2-(2-methoxyethoxy)ethoxy]propyl]silane; Silane, dodecyldimethoxy[3-[2-(2-methoxyethoxy)ethoxy]propyl]-; Poly(ethylene glycol) methyl ether (dodecyldimethoxysilyl) propyl ether; (3-(2-(2-Methoxyethoxy)ethoxy)propyl)dodecyldimethoxysilane
EINECS	Contact for details

Quality Control

Our production of 6-Dodecyl-6-(2-Methoxyethoxy)-2,5,7,10-Tetraoxa-6-Silaundecane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (IR, NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL, 20°C)	0.92 - 0.96
Water Content (KF)	≤ 0.5%

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