Description

Tetrakis(Butoxyethoxyethoxy)Silane is a specialized organosilicon compound, a tetrafunctional silane with extended polyether chains. This structure is critical for its role as a versatile coupling agent and surface modifier, bridging organic and inorganic materials. It is essential for industries requiring enhanced adhesion, dispersion, and compatibility in composite systems, such as advanced coatings, sealants, and polymer composites.

Application

• As a key coupling agent in mineral-filled composites (e.g., glass fiber, silica) to improve mechanical strength and moisture resistance.
• As a surface treatment agent for pigments and fillers to enhance dispersion and stability in polymer matrices and coating formulations.
• In the formulation of high-performance adhesives and sealants to promote adhesion to difficult substrates.
• As an additive in polyurethane and epoxy systems to modify rheology and final material properties.
• For the hydrophobic modification of surfaces in construction and protective coating applications.
• In the research and development of specialty polymers and hybrid organic-inorganic materials.

Basic Information

Product Name	Tetrakis(Butoxyethoxyethoxy)Silane
CAS No.	254455-63-5
Molecular Formula	C36H76O12Si
Molecular Weight	729.1 g/mol
Synonyms	Silane, tetrakis[2-[2-(2-butoxyethoxy)ethoxy]ethoxy]-; Tetra(butoxytriethoxy)silane; 2-[2-(2-Butoxyethoxy)ethoxy]ethanol, silicon derivative; Silicon tetra(butoxyethoxyethoxy) ether; Silane coupling agent 254455-63-5; Tetrakis(2-(2-(2-butoxyethoxy)ethoxy)ethoxy)silane; Tetra(butoxyethoxyethoxy) orthosilicate
EINECS	Contact for details

Quality Control

Our Tetrakis(Butoxyethoxyethoxy)Silane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

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 exclude moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL, 20°C)	1.00 - 1.05

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