Description

But-2-Enyltriethoxysilane is a specialized organosilicon compound featuring an unsaturated butenyl group and three hydrolyzable ethoxy groups. This dual functionality makes it a highly effective coupling agent and surface modifier, bridging organic polymers and inorganic substrates. It is essential for manufacturers in the adhesives, sealants, composites, and coatings industries seeking to enhance material properties like adhesion, mechanical strength, and moisture resistance.

Application

• As a coupling agent in mineral-filled composites (e.g., fiberglass, silica) to improve filler-matrix bonding and dispersion.
• Surface modification of inorganic materials like glass, metals, and minerals to increase hydrophobicity and compatibility with organic resins.
• A key intermediate in the synthesis of more complex silane derivatives and specialty polymers.
• Enhancing the adhesion and durability of primers, adhesives, and sealants, particularly in challenging environmental conditions.
• Cross-linking agent in silicone-based formulations to tailor network structure and final material properties.
• Improving the performance of rubber compounds by promoting better filler (e.g., silica) reinforcement.

Basic Information

Product Name	But-2-Enyltriethoxysilane
CAS No.	13436-82-3
Molecular Formula	C10H22O3Si
Molecular Weight	218.37 g/mol
Synonyms	2-Buten-1-yltriethoxysilane; (But-2-en-1-yl)triethoxysilane; Vinylethyltriethoxysilane; Triethoxy(2-butenyl)silane; Crotyltriethoxysilane; 1-Buten-4-yltriethoxysilane; 3-Butenyltriethoxysilane (isomer); A-151 (trade name equivalent for vinylsilanes, related class)
EINECS	Contact for details

Quality Control

Our production of But-2-Enyltriethoxysilane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity verification, and impurity profiling, to ensure consistency and performance. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.405 - 1.415
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.