Description

Phenyltrimethylsilane is a versatile organosilicon compound with the CAS number 768-32-1. It serves as a crucial reagent and building block in advanced organic synthesis, valued for its ability to introduce the phenyltrimethylsilyl protecting group. This product is essential for manufacturers and R&D chemists in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity intermediates for complex molecule construction.

Application

• Pharmaceutical Intermediate: Used as a key protecting group reagent in the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the production of advanced pesticides and herbicides where silicon-containing moieties are required.
• Material Science: Acts as a precursor or surface modifying agent in the development of silicone polymers and advanced composite materials.
• Organic Synthesis Reagent: Functions as a versatile silylation agent for alcohols, phenols, and carboxylic acids in laboratory and industrial-scale reactions.
• Cross-Coupling Reactions: Utilized as a reactant in palladium-catalyzed cross-coupling processes, such as the Hiyama coupling.
• Semiconductor Industry: Can be investigated as a potential precursor in chemical vapor deposition (CVD) processes for thin-film coatings.

Basic Information

Product Name	Phenyltrimethylsilane
CAS No.	768-32-1
Molecular Formula	C9H14Si
Molecular Weight	150.30 g/mol
Synonyms	Trimethyl(phenyl)silane; (Phenyl)trimethylsilane; Phenyltrimethylsilicon; TMS-Phenyl; Silane, phenyltrimethyl-; Benzene, (trimethylsilyl)-; NSC 163045; Phenyl(trimethyl)silane
EINECS	212-200-5

Quality Control

Our Phenyltrimethylsilane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high chemical purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications and industry standards.

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 and highly volatile nature, the container must be kept tightly sealed after use to prevent moisture absorption and evaporation. Keep away from heat, sparks, and open flame.

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 (n20D)	1.485 - 1.495
Density (20°C)	0.865 - 0.875 g/mL

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