Description

Trimethyl(Phenoxy)Silane is a versatile organosilicon compound featuring a reactive phenoxy group attached to a trimethylsilyl moiety. This unique structure makes it a valuable silylating agent and key synthetic intermediate in advanced organic and polymer chemistry. It is primarily utilized by industries involved in the production of specialty chemicals, pharmaceuticals, and high-performance materials.

Application

• Silylating Agent: Used to introduce the trimethylsilyl (TMS) protecting group for alcohols and phenols in complex organic synthesis, particularly in pharmaceutical intermediate manufacturing.
• Precursor for Silicone Modifiers: Serves as a building block for synthesizing phenyl-containing silicone oils, resins, and elastomers, enhancing thermal stability and refractive index.
• Surface Treatment Agent: Employed in the modification of silica, glass, and other inorganic surfaces to impart hydrophobicity and improve compatibility with organic matrices.
• Adhesion Promoter: Acts as a coupling agent in composite materials, adhesives, and coatings to improve bonding between organic polymers and inorganic substrates.
• Lubricant & Release Agent Intermediate: Used in the formulation of high-temperature lubricants and mold release agents for the plastics and rubber industries.
• Electronic Chemicals: Finds application in the electronics industry for the passivation of surfaces and in the synthesis of materials for semiconductor fabrication.

Basic Information

Product Name	Trimethyl(Phenoxy)Silane
CAS No.	1529-17-5
Molecular Formula	C9H14OSi
Molecular Weight	166.29 g/mol
Synonyms	Phenoxytrimethylsilane; Trimethylphenoxysilane; (Phenoxy)trimethylsilane; Silane, phenoxytrimethyl-; NSC 93766; TMS-O-Ph; Trimethylsilyl phenyl ether; Phenyl trimethylsilyl ether
EINECS	216-196-4

Quality Control

Our Trimethyl(Phenoxy)Silane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Specifications are verified via GC, NMR, and other relevant methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.475 - 1.485
Density (20°C)	0.92 - 0.96 g/mL

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