Description

Triphenylvinylsilane is a versatile organosilicon compound featuring a reactive vinyl group attached to a silicon center. This unique structure makes it a valuable building block and reagent in advanced materials science and organic synthesis. It is particularly sought after by researchers and manufacturers in the pharmaceutical, electronics, and specialty polymer industries. The compound is available under CAS number 18666-68-7.

Application

• Silicone Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce vinyl functionality into silicone resins, rubbers, and coatings, enhancing their curing properties and thermal stability.
• Hydrosilylation Reactions: Serves as a key reagent in hydrosilylation processes, a fundamental reaction for creating silicon-carbon bonds in the synthesis of specialty organosilicon compounds.
• Organic Synthesis Intermediate: Used as a protected synthon or a silicon-based functional group in complex multi-step organic syntheses, particularly for pharmaceuticals and agrochemicals.
• Surface Treatment & Adhesion Promotion: Employed in the formulation of primers and surface treatments to improve the adhesion of coatings, inks, and adhesives to various substrates.
• Electronics & Semiconductor Materials: Utilized in the production of precursors for silicon-containing thin films, dielectric materials, and other components in microelectronics.
• Research & Development: A critical compound in R&D laboratories for exploring new catalytic processes, material properties, and novel silicon chemistry.

Basic Information

Product Name	Triphenylvinylsilane
CAS No.	18666-68-7
Molecular Formula	C20H18Si
Molecular Weight	286.44 g/mol
Synonyms	Ethenyltriphenylsilane; Vinyltriphenylsilane; Triphenyl(vinyl)silane; Silane, triphenylvinyl-; TPVS; Triphenylvinylsilicon; (Ethenyl)triphenylsilane; (Vinyl)triphenylsilane
EINECS	242-477-6

Quality Control

Our Triphenylvinylsilane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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). The product is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.590 - 1.600
Density (20°C)	1.00 - 1.05 g/mL

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