Description

Tris(Trimethylsiloxy)Silylethyltriethoxysilane is a specialized organosilicon compound featuring a unique hybrid structure that combines both siloxy and alkoxysilane functionalities. This molecular architecture makes it a highly effective coupling agent and surface modifier, bridging organic polymers with inorganic substrates. It is essential for manufacturers in the advanced materials sector seeking to enhance adhesion, dispersion, and compatibility in composite systems. The compound is identified by CAS number 1356114-66-3.

Application

• Silicone Resin & Rubber Modification: Acts as a crosslinking agent or additive to improve mechanical properties, thermal stability, and processability.
• Adhesive & Sealant Formulations: Enhances adhesion to difficult substrates like glass, metals, and plastics by promoting interfacial bonding.
• Surface Treatment for Fillers: Used to hydrophobically treat silica, glass fibers, and other mineral fillers to improve compatibility with polymer matrices.
• Coatings & Inks: Imparts improved scratch resistance, weather ability, and surface slip properties in high-performance coatings.
• Electronics Encapsulation: Serves as a key ingredient in potting compounds and encapsulants for electronic components, offering moisture protection and stress relief.
• Pharmaceutical & Cosmetic Intermediates: Utilized in the synthesis of silicone-based ingredients for controlled release or sensory enhancement.

Basic Information

Product Name	Tris(Trimethylsiloxy)Silylethyltriethoxysilane
CAS No.	1356114-66-3
Molecular Formula	C17H44O6Si4
Molecular Weight	468.9 g/mol
Synonyms	Triethoxysilylethyltris(trimethylsiloxy)silane; 2-[Tris(trimethylsiloxy)silyl]ethyltriethoxysilane; (Triethoxysilyl)ethyltris(trimethylsiloxy)silane; Tris(trimethylsiloxy)(2-triethoxysilylethyl)silane; Silane, triethoxysilylethyltris(trimethylsiloxy)-; TTSETES; Contact for EINECS details.

Quality Control

Our production of Tris(Trimethylsiloxy)Silylethyltriethoxysilane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance with your internal quality standards.

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 under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20D)	1.4050 - 1.4150
Density (g/mL, 20°C)	0.95 - 1.00
Water Content (KF)	≤ 0.5%

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