Description

Triphenoxyvinylsilane is a specialized organosilicon compound featuring a vinyl group and three phenoxy substituents bonded to a silicon atom. This unique structure makes it a valuable reactive intermediate and coupling agent in advanced material synthesis. It is primarily utilized in the production of high-performance polymers, specialty coatings, and advanced composites where enhanced adhesion, thermal stability, and chemical resistance are required.

Application

• Silicone Resin & Polymer Modification: Acts as a key monomer or cross-linking agent in the synthesis of phenyl-containing silicone resins, improving their thermal and oxidative stability.
• Surface Treatment & Adhesion Promoter: Used to functionalize inorganic surfaces (e.g., glass, metals, fillers) to improve compatibility and bonding with organic polymer matrices in composite materials.
• Specialty Coatings: Serves as a precursor for developing high-temperature, corrosion-resistant, and release coatings.
• Electronic Encapsulants & Potting Compounds: Incorporated into formulations for electronic components requiring excellent dielectric properties and environmental protection.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of more complex organosilicon molecules for specialized applications.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry and novel material properties.

Basic Information

Product Name	Triphenoxyvinylsilane
CAS No.	18666-65-4
Molecular Formula	C20H18O3Si
Molecular Weight	334.44 g/mol
Synonyms	Vinyltriphenoxysilane; Ethenyltris(phenoxy)silane; Tris(phenoxy)vinylsilane; Silane, triphenoxyvinyl-; Triphenoxyethenylsilane; Phenoxyvinylsilane (generic); VPS (abbreviation)
EINECS	242-476-5

Quality Control

Our Triphenoxyvinylsilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and composition. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment. Our quality management system is designed to meet the stringent requirements of industrial and research customers globally.

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 product is light-sensitive and should be stored away from direct light exposure. For long-term storage, consider using an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (at 20°C)	~1.10 g/cm³
Refractive Index (n20D)	~1.560

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