Description

Trimethoxyphenylsilane is a versatile organosilicon compound that serves as a critical building block in advanced material synthesis. Its value lies in its ability to act as a coupling agent and a precursor, introducing both phenyl and hydrolyzable methoxy functionalities into polymers and inorganic matrices. This product is essential for manufacturers in the silicone resins, specialty coatings, and electronics sectors seeking to enhance material properties like adhesion, thermal stability, and surface modification.

Application

• Silicone Resin & Polymer Modification: A key monomer for synthesizing phenyl-containing silicone resins, improving thermal stability and refractive index.
• Surface Treatment & Coupling Agent: Used to modify silica, glass, and other inorganic surfaces to promote adhesion with organic polymers in composite materials.
• Electronics & Semiconductor Precursor: Serves as a high-purity precursor for silicon-containing thin films and dielectric layers in microelectronics via chemical vapor deposition (CVD) or spin-coating.
• Hydrophobic Coatings: Imparts water-repellent properties to surfaces in protective coatings and construction materials.
• Adhesive & Sealant Formulations: Enhances the performance and durability of high-temperature adhesives and sealants.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the synthesis of more complex organosilicon molecules for specialized applications.

Basic Information

Item	Detail
Product Name	Trimethoxyphenylsilane
CAS No.	2996-92-1
Molecular Formula	C9H14O3Si
Molecular Weight	198.29 g/mol
Synonyms	Phenyltrimethoxysilane; Trimethoxy(phenyl)silane; Silane, phenyltrimethoxy-; Phenyltrimethoxy silane; Phenylsilanetriol trimethyl ether; (Trimethoxysilyl)benzene; Dow Corning® Z-6124 (Trade Name); Dynasylan® PTMO (Trade Name)
EINECS	221-066-5

Quality Control

Our Trimethoxyphenylsilane is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Density (at 20°C)	1.06 - 1.08 g/cm³
Refractive Index (n20D)	1.470 - 1.475
Water Content (Karl Fischer)	≤ 0.1%

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