Description

Vinyltrimethoxysilane is a versatile organosilicon coupling agent and monomer with the CAS number 2768-02-7. It is essential for modifying material interfaces, enhancing adhesion, and improving the compatibility between inorganic substrates and organic polymers. This product is critical for manufacturers in the composites, coatings, adhesives, and sealants industries seeking to improve product durability and performance.

Application

• As a coupling agent for glass fibers, minerals, and fillers in reinforced plastics and composites.
• As a surface modifier for silica, alumina, and other inorganic materials to improve dispersion in polymer matrices.
• As a key crosslinking agent and monomer in the synthesis of silicone resins and moisture-curable polymers.
• For the primer treatment of metals, glass, and concrete to promote adhesion of paints, coatings, and adhesives.
• In the production of silylating agents for organic synthesis and pharmaceutical intermediates.
• As an additive in rubber compounding to enhance filler-polymer interaction and vulcanization.

Basic Information

Product Name	Vinyltrimethoxysilane
CAS No.	2768-02-7
Molecular Formula	C5H12O3Si
Molecular Weight	148.23 g/mol
Synonyms	Trimethoxyvinylsilane; Vinyltrimethoxysilane; Ethenyltrimethoxysilane; VTMO; VTMS; Silane A-171; Dynasylan VTMO; KBM-1003; Z-6300
EINECS	220-449-8

Quality Control

Our Vinyltrimethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC), to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles 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, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed and away from moisture and heat sources. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Density (20°C)	0.965 - 0.975 g/cm³
Refractive Index (n20D)	1.390 - 1.395
Water Content (KF)	≤ 0.1 %

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