Description

Chlorophenyltrichlorosilane is a key organosilicon intermediate characterized by its reactive trichlorosilyl group attached to a chlorinated phenyl ring. This compound matters for its versatility as a building block in the synthesis of advanced silicone polymers and surface-modifying agents. Industries such as specialty chemicals, pharmaceuticals, and advanced materials rely on it to introduce specific phenyl and chlorophenyl functionalities, enhancing properties like thermal stability and hydrophobicity. Its precise reactivity makes it essential for creating tailored silane coupling agents and functionalized silicone resins.

Application

• Synthesis of silane coupling agents for improved adhesion between organic polymers and inorganic surfaces like glass or minerals.
• Production of phenyl-modified silicone resins and fluids, imparting enhanced thermal stability and chemical resistance.
• Key intermediate in the manufacture of water-repellent coatings and sealants for construction and automotive applications.
• Surface functionalization of silica nanoparticles and other fillers to promote compatibility in composite materials.
• Precursor for pharmaceutical intermediates and active ingredients requiring specific organosilicon architectures.
• Development of dielectric materials and encapsulants in the electronics industry.
• Research and development of novel organosilicon compounds for specialized chemical applications.

Basic Information

Item	Detail
Product Name	Chlorophenyltrichlorosilane
CAS No.	26571-79-9
Molecular Formula	C6H4Cl4Si
Molecular Weight	259.99 g/mol
Synonyms	(4-Chlorophenyl)trichlorosilane; p-Chlorophenyltrichlorosilane; 4-Chlorophenyltrichlorosilane; Trichloro(4-chlorophenyl)silane; Silane, trichloro(4-chlorophenyl)-; 1-Chloro-4-(trichlorosilyl)benzene; NSC 163950
EINECS	247-799-7

Quality Control

Our Chlorophenyltrichlorosilane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectroscopy, to verify identity and assay. Certificates of Analysis (COA) documenting key specifications are available for every batch upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere such as nitrogen or argon to prevent hydrolysis. Recommended storage temperature is 2-8°C for long-term stability.

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
Refractive Index (n20D)	~1.540

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