Description

p-Tolyldimethylchlorosilane is a specialized organosilicon reagent featuring a reactive chlorosilane group and a p-tolyl aromatic moiety. This compound is a critical building block in organic synthesis and materials science, valued for its ability to introduce silyl protecting groups or modify surfaces. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and advanced materials sectors seeking precise molecular functionalization.

Application

• Silylating Agent: Used as a key reagent for the protection of hydroxyl groups in complex multi-step organic syntheses, particularly in pharmaceutical intermediate production.
• Surface Modification: Employed to functionalize silica, glass, and other metal oxide surfaces to alter hydrophobicity, adhesion, or introduce specific reactive sites.
• Polymer & Resin Chemistry: Serves as a monomer or cross-linking agent in the synthesis of specialty silicones and silicon-containing polymers.
• Chromatography: Utilized in the derivatization of analytes for Gas Chromatography (GC) or Gas Chromatography-Mass Spectrometry (GC-MS) analysis to improve volatility and detection.
• Intermediate for Further Synthesis: Acts as a precursor for the preparation of more complex functional silanes, such as alkoxysilanes or aminosilanes.
• Adhesion Promotion: Incorporated into primer formulations to enhance the bonding between organic polymers and inorganic substrates.

Basic Information

Product Name	p-Tolyldimethylchlorosilane
CAS No.	35239-30-6
Molecular Formula	C9H13ClSi
Molecular Weight	184.74 g/mol
Synonyms	Chloro(p-tolyl)dimethylsilane; Dimethyl(p-tolyl)chlorosilane; 4-Methylphenyldimethylchlorosilane; (4-Methylphenyl)dimethylchlorosilane; p-Tolyldimethylsilyl chloride; Dimethyl(4-methylphenyl)silyl chloride; (p-Tolyl)dimethylchlorosilane; DMTCS
EINECS	Contact for details

Quality Control

Our p-Tolyldimethylchlorosilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and NMR spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its moisture-sensitive (hygroscopic) nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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