Description

4-(Chloromethyl)Phenyltrimethoxysilane is a bifunctional organosilane coupling agent featuring both a reactive chloromethyl group and hydrolyzable trimethoxysilyl groups. This unique structure makes it a critical intermediate for introducing silane functionality into organic polymers and surfaces, enabling enhanced adhesion, cross-linking, and surface modification. It is essential for manufacturers in the advanced materials, coatings, and specialty chemical sectors seeking to improve the performance and durability of their products.

Application

• Surface Modification Agent: Used to functionalize inorganic surfaces like glass, silica, and metals to improve adhesion with organic polymers and resins.
• Polymer Cross-linking and Coupling: Acts as a cross-linker or coupling agent in silicone, epoxy, and other polymer systems to enhance thermal and mechanical properties.
• Adhesion Promoter in Coatings: Incorporated into primers and coatings for metals, glass, and composites to significantly boost wet and dry adhesion.
• Synthesis Intermediate: Serves as a key building block for the synthesis of more complex silane derivatives and specialty monomers.
• Filler Treatment: Used to treat mineral fillers (e.g., silica, clay) in rubber and plastic composites to improve dispersion and interfacial bonding.
• Water Repellent Treatments: A component in formulations for creating hydrophobic surfaces on construction materials like concrete and stone.

Basic Information

Product Name	4-(Chloromethyl)Phenyltrimethoxysilane
CAS No.	24413-03-4
Molecular Formula	C10H15ClO3Si
Molecular Weight	246.76 g/mol
Synonyms	(4-(Chloromethyl)phenyl)trimethoxysilane; p-(Chloromethyl)phenyltrimethoxysilane; 1-(Chloromethyl)-4-(trimethoxysilyl)benzene; (p-Chloromethylphenyl)trimethoxysilane; Trimethoxy(4-(chloromethyl)phenyl)silane; Silane, trimethoxy[4-(chloromethyl)phenyl]-; 4-Trimethoxysilylbenzyl chloride
EINECS	Contact for details

Quality Control

Our production of 4-(Chloromethyl)Phenyltrimethoxysilane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) with lot-specific data is provided with each shipment, confirming compliance with agreed 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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent hydrolysis and degradation upon contact with moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical
Refractive Index (n20D)	1.480 - 1.490
Density (20°C)	1.15 - 1.20 g/mL

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