Description

Trivinylethoxysilane is a specialized organosilicon compound featuring three vinyl groups and an ethoxy substituent. This unique structure makes it a highly reactive and versatile monomer and crosslinking agent, essential for creating polymers with tailored properties. It is a critical raw material for manufacturers in the advanced materials and specialty chemical sectors seeking to enhance product performance. Key applications include the synthesis of silicone resins, adhesion promoters, and as a surface modifier for inorganic fillers.

Application

• Crosslinking Agent for Silicone Polymers: Used to introduce vinyl functionality into silicone networks, improving crosslink density and thermal/mechanical properties in high-performance elastomers and resins.
• Adhesion Promoter: Acts as a coupling agent in composite materials, enhancing the bond between organic polymers and inorganic surfaces like glass, metals, or minerals.
• Surface Modification of Fillers: Employed to treat silica, clay, and other fillers to improve their dispersion and compatibility within polymer matrices.
• Synthesis of Specialty Silanes: Serves as a key intermediate for the production of more complex functional silanes and silicone-based precursors.
• Radical Cure Systems: Utilized in peroxide-cured silicone rubber and in UV-curable coatings and inks due to its polymerizable vinyl groups.
• Hydrophobic Coatings: A component in formulations for creating water-repellent surfaces on various substrates.

Basic Information

Product Name	Trivinylethoxysilane
CAS No.	70693-56-0
Molecular Formula	C8H14O1Si
Molecular Weight	154.28 g/mol
Synonyms	Ethoxytrivinylsilane; Triethenyl(ethoxy)silane; Silane, ethoxytrivinyl-; Vinyltriethoxysilane (common misnomer, check structure); Triethenyl(ethoxy)silane; Ethyl orthosilicate triethenyl ester; (Ethenyl)(ethoxy)silane (generic); TVES
EINECS	Contact for details

Quality Control

Our Trivinylethoxysilane is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including gas chromatography (GC), infrared spectroscopy (IR), and Karl Fischer titration. A detailed Certificate of Analysis (COA) documenting purity, identity, and key physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
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.