Description

Methoxytriphenylsilane is a versatile organosilicon reagent featuring a methoxy group bonded to a silicon atom that is also substituted with three phenyl rings. This compound is valued for its role as a key silylating agent and protective group intermediate in sophisticated synthetic chemistry. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Synthesis: Employed as a protective group for alcohols and other sensitive functional groups during multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used as a key intermediate in the production of certain pesticides and herbicides, where its silicon moiety contributes to the final product's stability or activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty silicones and silicon-containing polymers for high-performance coatings and resins.
• Organic Synthesis Reagent: Serves as a versatile silylation reagent in laboratory-scale and pilot-plant reactions to introduce the triphenylsilyl (TPS) group.
• Liquid Crystal & OLED Materials: Utilized as a building block in the synthesis of organic semiconductors and liquid crystal compounds for electronic displays.
• Surface Modification: Applied in the functionalization of silica and other inorganic surfaces to alter their chemical properties for specific industrial applications.

Basic Information

Product Name	Methoxytriphenylsilane
CAS No.	1829-41-0
Molecular Formula	C19H18OSi
Molecular Weight	290.43 g/mol
Synonyms	Methoxy(triphenyl)silane; Triphenylmethoxysilane; Silane, methoxytriphenyl-; TPS-OMe; (Methoxysilyl)triphenylmethane; Methoxytriphenylsilicon; NSC 163082; Methoxy(triphenyl)silane
EINECS	217-379-8

Quality Control

Our Methoxytriphenylsilane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, with products typically meeting specifications of ≥98% purity (by GC or HPLC). Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every batch upon request, supporting your compliance and R&D needs.

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 strong bases and incompatible materials. The container should be kept tightly sealed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Refractive Index (n20/D)	1.580 - 1.590
Density (g/mL, 25°C)	1.08 - 1.10
Water Content (KF)	≤ 0.5%

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