Description

Ethoxytriethylsilane is a versatile organosilicon compound, specifically a trialkylalkoxysilane, valued for its role as a key synthetic intermediate and surface modifying agent. Its primary commercial value lies in its ability to introduce the triethylsilyl (TES) protecting group in organic synthesis and to impart hydrophobic properties to materials. This product is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity silane reagents for critical processes.

Application

• Pharmaceutical Intermediate: Used as a protecting agent for alcohols and other functional groups during the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Serves as a key building block in the production of certain herbicides, fungicides, and plant growth regulators.
• Surface Modification: Applied to modify the surface properties of silica, glass, and other oxides to increase hydrophobicity and improve compatibility with organic polymers.
• Crosslinking Agent: Functions as a crosslinker or coupling agent in silicone resin and rubber formulations to enhance thermal and mechanical properties.
• Precursor for Silicones: Acts as a monomer or co-monomer in the production of specialized silicone oils and fluids.
• Laboratory Reagent: Employed in research laboratories for method development and small-scale organic synthesis requiring silylation reactions.

Basic Information

Product Name	Ethoxytriethylsilane
CAS No.	597-67-1
Molecular Formula	C8H20OSi
Molecular Weight	160.33 g/mol
Synonyms	Triethyl(ethoxy)silane; Ethoxy(triethyl)silane; Triethylsilane, ethoxy-; Ethyltriethoxysilane (common misnomer); TES-OEt; Silane, ethoxytriethyl-; NSC 66499; EINECS 209-905-8
EINECS	209-905-8

Quality Control

Our Ethoxytriethylsilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for demanding industrial and laboratory applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required by the fine chemical and pharmaceutical industries.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20/D)	1.395 - 1.405
Density (20°C)	0.80 - 0.85 g/mL
Water Content (KF)	≤ 0.1%

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