Description

Vinylphenylmethylmethoxysilane is a specialized organosilicon compound featuring both vinyl and phenyl functional groups. This unique bifunctional structure makes it a highly effective coupling agent and surface modifier, bridging organic polymers with inorganic substrates. It is essential for manufacturers in the advanced materials sector seeking to enhance adhesion, dispersion, and composite performance. The compound is widely utilized in the production of high-performance silicones, advanced composites, and specialty coatings.

Application

• Coupling Agent for Reinforced Composites: Improves the interfacial adhesion between inorganic fillers (e.g., glass fibers, minerals) and organic polymer matrices like epoxy, phenolic, or polyimide resins.
• Surface Modification of Nanoparticles: Used to functionalize silica, alumina, and other metal oxide nanoparticles to prevent agglomeration and improve compatibility in polymer nanocomposites.
• Adhesion Promoter in Coatings and Sealants: Enhances the bond strength and durability of silicone-based sealants, adhesives, and protective coatings on various substrates.
• Silicone Rubber Crosslinking: Acts as a crosslinker or co-crosslinker in the manufacture of high-temperature vulcanized (HTV) and room-temperature vulcanized (RTV) silicone rubbers.
• Fiber Sizing for High-Strength Plastics: Applied as a key component in sizing formulations for glass and carbon fibers used in reinforced plastics (FRP).
• Precursor for Specialty Silicones: Serves as an intermediate in the synthesis of phenyl-modified silicone oils, resins, and other advanced silicone materials.

Basic Information

Product Name	Vinylphenylmethylmethoxysilane
CAS No.	80252-60-4
Molecular Formula	C10H14O2Si
Molecular Weight	194.30 g/mol
Synonyms	Methoxy(methyl)(vinylphenyl)silane; (Ethenylphenyl)methylmethoxysilane; Methyl(vinylphenyl)methoxysilane; Vinylphenylmethylmethoxysilane; Phenylvinylmethylmethoxysilane; Methoxy(methyl)(vinylphenyl)silane; Silane, methoxy(methyl)(vinylphenyl)-; (Vinylphenyl)methylmethoxysilane
EINECS	Contact for details

Quality Control

Our Vinylphenylmethylmethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and infrared spectroscopy (IR), to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing key specifications such as assay, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and industrial applications.

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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and maintain product integrity. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~0.98 g/mL
Refractive Index (n20D)	~1.510 - 1.520

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