Description

Diphenylvinylethoxysilane is a specialized organosilicon compound featuring both phenyl and vinyl functional groups on a silicon atom. This unique structure makes it a valuable intermediate and coupling agent, particularly in the synthesis of advanced silicone polymers and as a surface modifier for inorganic materials. It is essential for manufacturers in the silicone elastomer, resin, and specialty coatings industries seeking to enhance material properties like adhesion, thermal stability, and crosslinking density. The compound is also utilized in the production of silane-modified polymers and as a key reagent in organic synthesis.

Application

• Key intermediate in the synthesis of phenyl-vinyl silicone resins and elastomers.
• Coupling agent for improving the adhesion between organic polymers and inorganic surfaces like glass, minerals, or metals.
• Crosslinking agent or co-monomer in the production of heat-curable silicone rubbers.
• Surface treatment agent for fillers (e.g., silica) to improve dispersion and compatibility in polymer matrices.
• Precursor for creating specialized silane-modified polymers (MS Polymers).
• Reagent in organic synthesis for introducing silyl groups.
• Component in the manufacture of release coatings and pressure-sensitive adhesives.
• Used in electronic encapsulants and potting compounds for improved performance.

Basic Information

Product Name	Diphenylvinylethoxysilane
CAS No.	17933-85-6
Molecular Formula	C16H18OSi
Molecular Weight	254.40 g/mol
Synonyms	Ethenyl(diphenyl)ethoxysilane; Ethoxydiphenylvinylsilane; Vinyl(diphenyl)ethoxysilane; Diphenyl(vinyl)ethoxysilane; Ethoxy(diphenyl)vinylsilane; (Ethenyloxy)(diphenyl)ethoxysilane; (Diphenylvinyl)ethoxysilane; Silane, ethoxydiphenylvinyl-
EINECS	241-889-7

Quality Control

Our Diphenylvinylethoxysilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and NMR to verify identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.550 - 1.560
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.