Description

Phenethylmethyldichlorosilane CAS NO 772-65-6 is a versatile organosilicon compound characterized by its reactive dichlorosilane group and phenethyl functionality. This chemical serves as a critical intermediate in the synthesis of advanced silicone polymers, functional silanes, and surface-modifying agents. It is essential for manufacturers and R&D laboratories in the silicone, pharmaceutical, and advanced materials sectors seeking to introduce specific organic groups onto silicon-based frameworks.

Application

• Silicone Polymer Synthesis: A key monomer or intermediate for producing specialty phenyl-containing silicone oils, resins, and elastomers with enhanced thermal and optical properties.
• Surface Modification & Coupling Agents: Used to create functional silanes for treating inorganic surfaces like glass, silica, and metals to improve adhesion and compatibility with organic polymers.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of silicon-containing drug candidates and active pharmaceutical ingredients (APIs).
• Advanced Material Precursors: Employed in the development of sol-gel materials, hybrid organic-inorganic composites, and specialty coatings.
• Crosslinking Agent: Functions as a crosslinker in the formulation of high-performance silicone sealants and adhesives.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Phenethylmethyldichlorosilane
CAS No.	772-65-6
Molecular Formula	C9H12Cl2Si
Molecular Weight	219.18 g/mol
Synonyms	Dichloro(methyl)(2-phenylethyl)silane; Methyl(2-phenylethyl)dichlorosilane; (2-Phenylethyl)methyldichlorosilane; Phenethyldichloromethylsilane; Dichloromethyl(2-phenylethyl)silane; Silane, dichloro(2-phenylethyl)methyl-; 2-Phenylethylmethyldichlorosilane
EINECS	212-257-8

Quality Control

Our Phenethylmethyldichlorosilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with strong acids and organic solvents; it must be kept under an inert atmosphere (e.g., nitrogen or argon) and away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.10 - 1.15 g/mL
Refractive Index (n20/D)	1.510 - 1.520

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