Description

((Chloromethyl)Phenylethyl)Trimethoxysilane is a specialized organosilicon compound that serves as a high-performance coupling agent and surface modifier. Its unique molecular structure, featuring both a reactive chloromethyl group and hydrolyzable methoxy silanes, enables strong covalent bonding between organic polymers and inorganic substrates. This product is essential for manufacturers in the advanced materials sector seeking to enhance composite material performance, adhesion, and durability. Key industries that rely on this silane include specialty polymers, advanced coatings, and high-performance sealants.

Application

• Coupling Agent for Reinforced Composites: Enhances the interfacial adhesion between glass, mineral, or carbon fiber reinforcements and polymer matrices (e.g., epoxy, phenolic, polyurethane), significantly improving mechanical properties.
• Surface Priming and Modification: Used as a primer or additive in coatings, adhesives, and sealants to improve adhesion to difficult substrates like metals, glass, and concrete.
• Silicone Resin Modification: Acts as a crosslinking agent or functional modifier in the synthesis of specialty silicone resins and elastomers, introducing reactive chloromethyl sites for further chemical grafting.
• Filler Treatment: Treats inorganic fillers (e.g., silica, clay, talc) to improve their dispersion and compatibility within organic polymer systems, reducing viscosity and enhancing final product properties.
• Intermediate for Further Synthesis: Serves as a valuable building block in organic and organosilicon chemistry for synthesizing more complex molecules used in pharmaceuticals, agrochemicals, or advanced material science.

Basic Information

Product Name	((Chloromethyl)Phenylethyl)Trimethoxysilane
CAS No.	68128-25-6
Molecular Formula	C12H19ClO3Si
Molecular Weight	274.82 g/mol
Synonyms	3-((Chloromethyl)phenethyl)trimethoxysilane; (3-(2-(Chloromethyl)phenyl)propyl)trimethoxysilane; Trimethoxy[3-[2-(chloromethyl)phenyl]propyl]silane; Phenethyl(chloromethyl)trimethoxysilane; Silane, trimethoxy[3-[2-(chloromethyl)phenyl]propyl]-; (Chloromethyl)phenylethyltrimethoxysilane
EINECS	Contact for details

Quality Control

Our production of ((Chloromethyl)Phenylethyl)Trimethoxysilane adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay (GC/HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure consistency and high purity. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request, supporting your quality assurance and regulatory compliance 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 material is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis. Keep away from incompatible materials such as strong bases and fluorides.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20D)	~1.485

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