Description

tert-Butyl-Triethoxysilane is a versatile organosilicon compound widely used as a key intermediate and coupling agent in advanced material synthesis. Its value lies in its ability to introduce the bulky, hydrophobic tert-butyl group and reactive ethoxysilane functionality into polymers and surfaces, enhancing properties like hydrophobicity, thermal stability, and adhesion. This chemical is essential for manufacturers in the silicone, coatings, and electronics industries seeking to develop high-performance materials.

Application

• Silicone Resin & Polymer Modification: Acts as a chain-terminating or cross-linking agent to introduce steric hindrance and improve thermal and chemical resistance.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces (glass, silica, metals) to promote adhesion with organic polymers in coatings, adhesives, and composites.
• Hydrophobic Coatings: A precursor for creating water-repellent and anti-corrosion coatings on various substrates.
• Electronic Encapsulants: Employed in the formulation of silicones for potting and encapsulating electronic components, where moisture resistance is critical.
• Synthesis Intermediate: Serves as a building block for the synthesis of more complex organosilicon molecules and specialty silanes.
• Research & Development: Utilized in laboratories for developing novel materials with tailored surface and bulk properties.

Basic Information

Item	Detail
Product Name	tert-Butyl-Triethoxysilane
CAS No.	993-66-8
Molecular Formula	C10H24O3Si
Molecular Weight	220.39 g/mol
Synonyms	tert-Butyltriethoxysilane; (tert-Butyl)triethoxysilane; Triethoxy(tert-butyl)silane; tert-Butyl triethoxysilane; Silane, triethoxy(1,1-dimethylethyl)-; 1,1-Dimethylethyltriethoxysilane; t-Butyltriethoxysilane; TBTEOS
EINECS	213-603-8

Quality Control

Our tert-Butyl-Triethoxysilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee compliance with your technical requirements.

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 to prevent contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.395 - 1.405
Density (20°C)	0.88 - 0.92 g/mL

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