Description

[2-[(Chloromethyl)Phenyl]Ethyl]Triethoxysilane is a bifunctional organosilane coupling agent that combines a reactive chloromethylphenyl group with hydrolyzable triethoxysilyl functionality. This unique structure makes it a critical intermediate for imparting adhesion, cross-linking, and surface modification properties in advanced composite materials. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for producers of specialty polymers and reinforced plastics seeking to enhance material performance and durability.

Application

• Coupling Agent for Reinforced Composites: Enhances the interfacial adhesion between inorganic fillers (like glass fibers, minerals) and organic polymer matrices (epoxy, phenolic, polyurethane), improving mechanical strength and moisture resistance.
• Surface Primer and Adhesion Promoter: Used in coatings, inks, and adhesives to improve bonding to difficult substrates such as metals, glass, and engineered plastics.
• Silicone Modification and Cross-linking: Serves as a key monomer or cross-linker in the synthesis of modified silicones, silane-terminated polymers (STP), and hybrid organic-inorganic materials.
• Fiber Treatment: Applied as a sizing or finish on glass and other fibers to protect them and improve compatibility with resin systems in composite manufacturing.
• Mineral Filler Treatment: Used to modify the surface of minerals like silica, talc, and clay to improve dispersion and performance in plastic and rubber compounds.
• Intermediate for Specialty Chemicals: A versatile building block for the synthesis of more complex silanes, pharmaceutical intermediates, and functional materials via further chemical reactions of the chloromethyl and ethoxy groups.

Basic Information

Product Name	[2-[(Chloromethyl)Phenyl]Ethyl]Triethoxysilane
CAS No.	10088-50-3
Molecular Formula	C15H25ClO3Si
Molecular Weight	316.90 g/mol
Synonyms	(2-(Chloromethyl)phenethyl)triethoxysilane; (2-(Chloromethyl)phenyl)ethyltriethoxysilane; 2-[(Chloromethyl)phenyl]ethyltriethoxysilane; 1-Triethoxysilyl-2-(4-chloromethylphenyl)ethane; (2-(4-Chloromethylphenyl)ethyl)triethoxysilane; Triethoxy[2-[(chloromethyl)phenyl]ethyl]silane; Silane, triethoxy[2-[(chloromethyl)phenyl]ethyl]-
EINECS	Contact for details

Quality Control

Our production of [2-[(Chloromethyl)Phenyl]Ethyl]Triethoxysilane adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key specifications are provided with every shipment to guarantee compliance with your technical requirements.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical
Refractive Index (n20D)	1.480 - 1.490
Density (g/mL, 20°C)	1.020 - 1.050

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