Speciality Chemicals

Dimethyl-Bis[[Methyl(Diphenyl)Silyl]Oxy]Silane

  • CAS No.3982-82-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-performance silane fluid designed for extreme thermal stability and refractive index control in advanced electronics and aerospace coatings.

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Product Technical Details

Product Overview

Dimethyl-Bis[[Methyl(Diphenyl)Silyl]Oxy]Silane is a specialized organosilicon compound engineered for high-performance industrial applications. Characterized by its unique molecular structure containing phenyl groups, this chemical offers exceptional thermal stability and oxidative resistance compared to standard methyl siloxanes. It serves as a critical component in the formulation of advanced materials where reliability under extreme conditions is paramount.

Our manufacturing process ensures a purity level exceeding 99.0%, minimizing impurities that could compromise the performance of downstream products. This material is supplied as a colorless to straw-colored liquid, facilitating easy integration into various solvent systems and resin matrices. The precise control over molecular weight and functional group distribution makes it a preferred choice for researchers and production engineers alike.

Key Specifications

ParameterValue
CAS Number3982-82-9
Molecular FormulaC28H32O2Si3
Molecular Weight484.81 g/mol
AppearanceColorless to straw-colored liquid
Purity≥99.0%
Density1.07 g/cm3
Boiling Point215°C
Refractive Index1.559
Flash Point221°C

Industrial Applications

This silane derivative finds extensive utility across several high-tech sectors due to its robust chemical properties. In the aerospace industry, it is utilized in the production of heat-resistant coatings and sealants that must withstand significant thermal cycling without degradation. The presence of phenyl groups enhances the material's ability to maintain integrity at elevated temperatures.

In the electronics sector, this compound is employed in the encapsulation of sensitive components and the formulation of dielectric fluids. Its high refractive index and electrical insulation properties make it suitable for optical applications and vacuum coatings. Furthermore, it plays a role in metallurgy and atomic energy applications where material stability under radiation or extreme heat is required.

  • Thermal resistant additives for silicone resins
  • High refractive index coating formulations
  • Electronics encapsulation and potting compounds
  • Vacuum coating precursors
  • Specialized lubricants for extreme environments

Quality Assurance and Storage

We adhere to strict quality control protocols to ensure every batch meets the specified purity and physical property standards. A Certificate of Analysis (COA) is provided with each shipment to verify compliance. To maintain optimal quality, the product should be stored in a cool, ventilated area away from direct sunlight and moisture. Proper sealing is essential to prevent contamination or hydrolysis.

Packaging is available in 200 kg drums, with flexible options to accommodate specific customer logistics requirements. As a global manufacturer, we are committed to providing consistent supply chains, competitive bulk pricing, and comprehensive technical support to assist with your formulation needs.