Description

Methylphenylvinylsilane is a versatile organosilicon monomer characterized by its reactive vinyl and phenyl groups. This compound is a critical building block in the synthesis of advanced silicone polymers and hybrid materials, offering a unique combination of organic functionality and silicon-based stability. It is essential for manufacturers in the specialty chemicals, advanced materials, and electronics sectors seeking to develop products with tailored surface properties, enhanced thermal stability, or specific cross-linking behaviors.

Application

• Silicone Polymer Synthesis: A key monomer for producing phenyl-containing silicone resins, rubbers, and fluids with improved high-temperature and radiation resistance.
• Surface Modification & Coupling Agents: Used to functionalize inorganic surfaces (e.g., silica, glass) to improve adhesion between organic polymers and inorganic fillers in composite materials.
• Cross-linking Agent: Serves as a reactive site in hydrosilylation and platinum-catalyzed addition cure systems for silicones, enabling the formation of durable, heat-cured networks.
• Precursor for Specialty Silanes: Intermediate in the synthesis of more complex organofunctional silanes used in adhesives, sealants, and coatings.
• Electronics & Semiconductor Industry: Employed in the deposition of silicon-containing thin films and as a precursor in chemical vapor deposition (CVD) processes.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Methylphenylvinylsilane
CAS No.	17878-39-6
Molecular Formula	C9H12Si
Molecular Weight	148.28 g/mol
Synonyms	Ethenyl(methyl)phenylsilane; Methyl(phenyl)vinylsilane; Vinylmethylphenylsilane; Phenylmethylvinylsilane; Methylphenylvinylsilane; Silane, ethenylmethylphenyl-; Methyl-phenyl-vinyl-silane; (Vinyl)(methyl)phenylsilane
EINECS	241-848-9

Quality Control

Our production of Methylphenylvinylsilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and NMR spectroscopy to verify identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment, ensuring full traceability and compliance with customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	0.88 - 0.92 g/mL
Refractive Index (n20/D)	1.510 - 1.520
Water Content (KF)	≤ 0.1%

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