Description

Chloromethyldimethylethoxysilane is a versatile organosilicon compound, specifically a chloromethyl-functional alkoxysilane. Its bifunctional nature, featuring both a reactive chloromethyl group and a hydrolyzable ethoxy group, makes it a valuable key intermediate for introducing specific functionalities into polymers and surfaces. This product is essential for manufacturers in the silicone, polymer modification, and specialty chemical sectors seeking to enhance material properties or create custom silane coupling agents.

Application

• Silane Coupling Agent Precursor: Serves as a key intermediate for synthesizing custom silane coupling agents used to improve adhesion between organic polymers and inorganic substrates like glass, minerals, or metals.
• Polymer Modification: Used to introduce reactive chloromethyl sites into polymer chains, enabling further functionalization for applications in ion-exchange resins, specialty coatings, or functional materials.
• Surface Treatment: Employed in the surface modification of silica, fillers, and other particulates to alter surface energy, improve compatibility with polymer matrices, or introduce specific chemical handles.
• Intermediate for Pharmaceutical & Agrochemistry: Acts as a building block in the synthesis of more complex organosilicon molecules used in active ingredient development and formulation.
• Hydrophobic Coating Formulations: Contributes to the formulation of water-repellent and protective coatings for construction materials, textiles, and electronics.
• Crosslinking Agent: Can function as a crosslinker in specific silicone resin systems, contributing to network formation and enhanced thermal/mechanical properties.

Basic Information

Product Name	Chloromethyldimethylethoxysilane
CAS No.	13508-53-7
Molecular Formula	C5H13ClO1Si
Molecular Weight	152.70 g/mol
Synonyms	(Chloromethyl)dimethylethoxysilane; Dimethyl(chloromethyl)ethoxysilane; Ethoxy(chloromethyl)dimethylsilane; Chloromethyl ethoxydimethylsilane; 1-Chloro-2-(dimethylethoxysilyl)methane; (Chloromethyl)ethoxydimethylsilane; Silane, (chloromethyl)dimethylethoxy-; AECM (abbreviation)
EINECS	236-823-8

Quality Control

Our Chloromethyldimethylethoxysilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Key parameters such as assay, identity, and specific impurity levels are verified. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed after opening to prevent moisture absorption and evaporation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.94 - 0.98 g/mL
Refractive Index (n20/D)	1.415 - 1.425
Water Content (KF)	≤ 0.1%

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