Description

1-Trimethoxysilyl-2-(P,m-Chloromethyl)Phenylethane is a specialized organosilicon compound that serves as a high-performance coupling agent and adhesion promoter. Its unique bifunctional structure, featuring both a reactive chloromethylphenyl group and hydrolyzable trimethoxysilyl groups, enables it to form durable bonds between organic polymers and inorganic substrates. This product is essential for manufacturers in the silicone rubber, advanced composites, and specialty adhesive industries seeking to enhance material performance and durability.

Application

• Silicone Rubber Reinforcement: Acts as a key additive to improve the adhesion of silicone elastomers to metals, glass, and fabrics, enhancing mechanical strength and heat resistance.
• Fiberglass and Mineral-Filled Composites: Used as a coupling agent in epoxy, phenolic, and polyester composites to increase interfacial bonding, leading to superior mechanical properties and moisture resistance.
• Adhesive and Sealant Formulations: Incorporated into silane-modified polymers (SMP) and hybrid sealants to promote adhesion to difficult substrates like PVC, aluminum, and treated surfaces.
• Surface Treatment for Fillers: Modifies the surface of silica, clay, and other mineral fillers to improve their dispersion and compatibility within polymer matrices.
• Coating Additives: Enhances the adhesion, corrosion resistance, and durability of primers and protective coatings on metal and concrete surfaces.
• Electronic Encapsulants: Improves the performance of potting and encapsulation compounds by strengthening the bond between the resin and electronic components or casings.

Basic Information

Product Name	1-Trimethoxysilyl-2-(P,m-Chloromethyl)Phenylethane
CAS No.	50975-76-3
Molecular Formula	C12H19ClO3Si
Molecular Weight	274.82 g/mol
Synonyms	2-(4-Chloromethylphenyl)ethyltrimethoxysilane; (2-(4-(Chloromethyl)phenyl)ethyl)trimethoxysilane; (4-Chloromethylphenethyl)trimethoxysilane; p-Chloromethylphenethyltrimethoxysilane; Silane, trimethoxy[2-[4-(chloromethyl)phenyl]ethyl]-; Silane A-143; KH-143; Z-6034
EINECS	Contact for details

Quality Control

Our production of 1-Trimethoxysilyl-2-(P,m-Chloromethyl)Phenylethane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency and high purity, meeting the exacting standards required for industrial and advanced material applications. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are provided with every shipment and are available upon request.

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 material 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	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	1.05 - 1.10 g/cm³
Refractive Index (n20D)	1.480 - 1.490
Chlorine Content	12.5 - 13.5 %

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