Description

(4-Tolylethyl)Methyldichlorosilane is a specialized organosilicon compound featuring a reactive dichlorosilane group and a tolylethyl organic substituent. This structure makes it a valuable intermediate for introducing silicon-containing functional groups into more complex molecules. It is primarily sought after by manufacturers in the advanced materials and specialty chemical sectors for its role in creating tailored silane coupling agents, silicone polymers, and surface modifiers. Its controlled reactivity is key for applications demanding precise molecular architecture.

Application

• Silane Coupling Agent Precursor: A key intermediate for synthesizing custom silane coupling agents used to improve adhesion between organic polymers and inorganic surfaces like glass, metals, or minerals.
• Silicone Polymer Modification: Serves as a monomer or cross-linking agent in the production of specialty silicone resins, elastomers, and oils with specific phenylalkyl-modified properties.
• Surface Functionalization: Used to modify material surfaces (e.g., silica, nanoparticles) to impart hydrophobic characteristics or create reactive sites for further chemical grafting.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of complex molecules where the silicon moiety is integral to the biological activity or stability of the final product.
• Adhesive & Sealant Formulations: Incorporated to enhance the performance, thermal stability, and environmental resistance of high-performance adhesives and sealants.
• Research & Development: A valuable building block in organic and organometallic chemistry research for developing new materials with novel properties.

Basic Information

Item	Detail
Product Name	(4-Tolylethyl)Methyldichlorosilane
CAS No.	63126-87-4
Molecular Formula	C10H14Cl2Si
Molecular Weight	233.21 g/mol
Synonyms	Methyl(4-methylphenethyl)dichlorosilane; (p-Tolylethyl)methyldichlorosilane; 1-Methyl-4-[2-(methyldichlorosilyl)ethyl]benzene; Methyldichloro(4-methylphenethyl)silane; Dichloro(methyl)(4-methylphenethyl)silane; 4-Methylphenethyldichloromethylsilane; (4-Methylphenethyl)methyldichlorosilane
EINECS	Contact for details

Quality Control

Our (4-Tolylethyl)Methyldichlorosilane is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including gas chromatography (GC), NMR, and FTIR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity. Keep away from incompatible materials such as strong bases, oxidizers, and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.10 g/cm³
Refractive Index (n20D)	~1.520
Moisture (Karl Fischer)	≤ 0.1%

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