Description

2-Chloroethyltrichlorosilane is a highly reactive organosilicon compound that serves as a critical intermediate in the synthesis of functionalized silanes and silicone polymers. Its unique structure, featuring both chloroalkyl and trichlorosilyl groups, makes it a versatile building block for introducing specific organic functionalities onto silicon-based backbones. This chemical is essential for manufacturers in the specialty chemicals, advanced materials, and pharmaceutical sectors seeking to develop products with tailored surface properties, adhesion promoters, or specialized polymeric networks.

Application

• Silicone Intermediate: A key precursor in the synthesis of a wide range of functional silanes and silicone polymers.
• Surface Modification Agent: Used to treat inorganic surfaces like glass, silica, and metals to impart organofunctional properties, improving adhesion and compatibility in composite materials.
• Coupling Agent: Acts as a molecular bridge between organic polymers and inorganic fillers in advanced composites, enhancing mechanical strength and durability.
• Chemical Synthesis Building Block: Employed in organic and organometallic synthesis to introduce the 2-chloroethylsilyl group into more complex molecules for pharmaceutical and agrochemical research.
• Water Repellent Treatments: A component in formulations for creating hydrophobic coatings on textiles, stone, and construction materials.
• Adhesion Promoter: Used in sealant, adhesive, and coating formulations to improve bonding to difficult substrates.

Basic Information

Product Name	2-Chloroethyltrichlorosilane
CAS No.	6233-20-1
Molecular Formula	C2H4Cl4Si
Molecular Weight	198.94 g/mol
Synonyms	Trichloro(2-chloroethyl)silane; (2-Chloroethyl)trichlorosilane; 2-Chloroethylsilicon trichloride; Silane, trichloro(2-chloroethyl)-; β-Chloroethyltrichlorosilane; NSC 9375; (β-Chloroethyl)trichlorosilane; 1-Chloro-2-(trichlorosilyl)ethane
EINECS	228-348-8

Quality Control

Our production of 2-Chloroethyltrichlorosilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Every lot undergoes comprehensive analytical testing, including assay by GC, identity confirmation (IR), and impurity profiling. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment, ensuring full traceability and compliance with your internal quality standards and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C to maintain optimal stability. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.40 - 1.45 g/mL
Refractive Index (n20D)	1.465 - 1.475
Boiling Point	Approx. 150-155°C

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