Description

p-Tolyltrichlorosilane is a highly reactive organosilicon compound, specifically a chlorosilane derivative, that serves as a critical building block in advanced material synthesis. Its primary commercial value lies in its ability to act as a versatile coupling agent and surface modifier, introducing functional organic groups to inorganic substrates. This product is essential for manufacturers in the pharmaceutical, specialty polymer, and electronics industries who require precise chemical intermediates for creating high-performance materials.

Application

• Silane Coupling Agent: Used to modify the surface of glass, silica, and other minerals to improve adhesion and compatibility in composite materials.
• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Polymer Synthesis: Acts as a monomer or cross-linking agent in the production of specialty silicones and silicon-based polymers.
• Electronics & Semiconductor Manufacturing: Employed in chemical vapor deposition (CVD) processes to create thin films and dielectric layers.
• Hydrophobic Coatings: Used to impart water-repellent properties to surfaces in construction and textile applications.
• Adhesive & Sealant Formulations: Enhances the performance and durability of high-strength adhesives and sealants.
• Research & Development: A valuable reagent in organic and organometallic chemistry research for introducing silyl groups.

Basic Information

Product Name	p-Tolyltrichlorosilane
CAS No.	701-35-9
Molecular Formula	C7H7Cl3Si
Molecular Weight	225.57 g/mol
Synonyms	(4-Methylphenyl)trichlorosilane; 4-Methylphenyltrichlorosilane; p-Tolyltrichlorosilane; Trichloro(4-methylphenyl)silane; 1-Methyl-4-(trichlorosilyl)benzene; 4-Tolyltrichlorosilane; p-Tolyl silicon trichloride
EINECS	211-865-7

Quality Control

Our p-Tolyltrichlorosilane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including GC and NMR, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, this material must be stored under a dry, inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated area. Recommended storage temperature is 2-8°C. Keep away from heat, sparks, open flames, and incompatible materials such as water, alcohols, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.25 - 1.30 g/cm³
Refractive Index (n20D)	1.520 - 1.530
Chloride Content	≤ 0.5%

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