Description

(Chloromethyl)Trichlorosilane is a highly reactive organosilicon compound that serves as a critical bifunctional building block in advanced material synthesis. Its unique structure, featuring both a chloromethyl group and trichlorosilyl moiety, enables it to act as a versatile linker and precursor for introducing silicon-based functionalities into organic frameworks. This compound is essential for manufacturers and R&D laboratories in the silicone polymer, specialty chemical, and surface modification industries seeking to develop custom silanes with specific reactive handles.

Application

• Silicone Intermediate: A key monomer for synthesizing specialized chloromethyl-functionalized silicone oils, resins, and elastomers.
• Surface Coupling Agent: Used to modify inorganic surfaces (glass, silica, metals) by creating a reactive chloromethyl-terminated monolayer for further chemical grafting.
• Polymer Crosslinker: Functions as a crosslinking agent in the production of heat-resistant and chemically stable silicone polymers.
• Pharmaceutical & Agrochemical Synthesis: Serves as an intermediate in the synthesis of more complex organosilicon compounds used in active ingredient development.
• Adhesive & Sealant Formulations: Incorporated to enhance adhesion properties and environmental resistance in high-performance formulations.
• Hybrid Material Precursor: Used in sol-gel processes to create organic-inorganic hybrid materials with tailored properties.

Basic Information

Product Name	(Chloromethyl)Trichlorosilane
CAS No.	1558-25-4
Molecular Formula	C2H4Cl4Si
Molecular Weight	197.94 g/mol
Synonyms	Trichloro(chloromethyl)silane; Chloromethyltrichlorosilane; (Chloromethyl)silicon trichloride; Silane, trichloro(chloromethyl)-; NSC 9375; (Trichlorosilyl)methyl chloride; Chloromethylsilyl trichloride
EINECS	216-317-0

Quality Control

Our (Chloromethyl)Trichlorosilane is produced under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including gas chromatography (GC), FT-IR spectroscopy, and titration methods. 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 away from heat sources and incompatible materials. Due to its highly volatile and moisture-sensitive nature, containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity. 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)	≥ 97.0%
Density (at 20°C)	1.46 - 1.50 g/cm³
Boiling Point	117 - 119 °C
Refractive Index (n20D)	1.460 - 1.465

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