Description

[2-[2-(Chloromethyl)Phenyl]Ethyl]Trimethoxysilane is a specialized bifunctional organosilicon compound that serves as a critical coupling agent and surface modifier. Its molecular structure combines a reactive chloromethylphenyl group with hydrolyzable trimethoxysilane, enabling it to form durable bonds between organic polymers and inorganic substrates. This product is essential for manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries seeking to enhance material compatibility, adhesion, and performance.

Application

• Adhesive & Sealant Formulation: Acts as a key adhesion promoter, improving bond strength between silicones, epoxies, or polyurethanes and difficult-to-bond surfaces like metals, glass, and plastics.
• Surface Treatment for Fillers: Used to modify the surface of mineral fillers (e.g., silica, glass fibers) to improve their dispersion and compatibility within polymer matrices, enhancing mechanical properties.
• Fiberglass and Composite Manufacturing: Functions as a coupling agent in fiber-reinforced plastics (FRP) to strengthen the interface between the glass fiber and the resin, increasing composite durability.
• Hybrid Material Synthesis: Serves as a molecular bridge in the synthesis of organic-inorganic hybrid materials (ORMOSILs) for advanced coatings with tailored properties.
• Rubber Compounding: Enhances the interaction between silica fillers and rubber polymers in tire tread and industrial rubber goods, reducing rolling resistance and improving wear.
• Primers and Coatings: Incorporated into primer formulations to promote adhesion of subsequent paint or coating layers to metallic or mineral substrates.

Basic Information

Product Name	[2-[2-(Chloromethyl)Phenyl]Ethyl]Trimethoxysilane
CAS No.	42861-95-0
Molecular Formula	C₁₂H₁₉ClO₃Si
Molecular Weight	274.81 g/mol
Synonyms	(2-Chloromethylphenethyl)trimethoxysilane; 2-[2-(Chloromethyl)phenyl]ethyltrimethoxysilane; (2-(2-Chloromethylphenyl)ethyl)trimethoxysilane; Trimethoxy[2-[2-(chloromethyl)phenyl]ethyl]silane; Silane, trimethoxy[2-[2-(chloromethyl)phenyl]ethyl]-; Phenethyltrimethoxysilane, 2-chloromethyl-; (Chloromethylphenethyl)trimethoxysilane
EINECS	Contact for details

Quality Control

Our production of [2-[2-(Chloromethyl)Phenyl]Ethyl]Trimethoxysilane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key physical-chemical parameters are provided with every shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and degradation upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical
Refractive Index (n20/D)	1.4850 - 1.4950
Density (g/mL, 20°C)	1.08 - 1.12

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