Description

Chlorophenyltrichlorosilane is a key organosilicon intermediate characterized by its reactive trichlorosilyl group attached to a chlorophenyl ring. This compound is essential for introducing silicon-containing functional groups into organic molecules, enabling the synthesis of advanced silicone polymers and surface-modifying agents. It is primarily sought by manufacturers in the silicone resin, specialty chemical, and advanced materials sectors for creating tailored silanes with specific thermal and chemical resistance properties.

Application

• Silicone Resin Precursor: A critical monomer for synthesizing phenyl-modified silicone resins used in high-temperature coatings, electrical insulation, and mold release agents.
• Surface Modification Agent: Used to functionalize inorganic surfaces like silica, glass, and metals, improving adhesion and compatibility in composite materials.
• Coupling Agent Synthesis: Serves as a key intermediate in the production of specialized silane coupling agents for the plastics and rubber industries.
• Pharmaceutical & Agrochemistry Intermediates: Employed in the synthesis of complex organic molecules where the introduction of a silicon moiety is required.
• Hydrophobic Coating Formulations: Imparts water-repellent properties to surfaces in construction and textile treatments.
• Adhesive & Sealant Additive: Enhances the performance and stability of high-performance adhesives and sealants.

Basic Information

Item	Details
Product Name	Chlorophenyltrichlorosilane
CAS No.	825-94-5
Molecular Formula	C6H4Cl4Si
Molecular Weight	259.99 g/mol
Synonyms	(4-Chlorophenyl)trichlorosilane; p-Chlorophenyltrichlorosilane; 1-Chloro-4-(trichlorosilyl)benzene; Trichloro(4-chlorophenyl)silane; 4-Chlorophenyltrichlorosilane; Silane, trichloro(4-chlorophenyl)-; NSC 60555
EINECS	212-553-7

Quality Control

Our Chlorophenyltrichlorosilane is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical methods including gas chromatography (GC) and infrared spectroscopy (IR). 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, well-ventilated area. This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C to maintain stability. Keep away from moisture, strong 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)	~1.45 g/cm³
Boiling Point	~245-247 °C
Refractive Index (n20D)	~1.540 - 1.545

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