Description

4-(Chloromethyl)Phenyltrimethoxysilane is a versatile organosilane coupling agent featuring both a reactive chloromethyl group and hydrolyzable methoxysilyl functionalities. This dual reactivity makes it a critical intermediate for modifying surfaces and polymers, enhancing adhesion and compatibility between organic and inorganic phases. It is essential for manufacturers in the advanced materials, coatings, and electronics industries seeking to improve product performance and durability.

Application

• Surface Modification Agent: Used to functionalize glass, silica, and metal oxide surfaces to improve the adhesion of coatings, inks, and adhesives.
• Polymer Modification: Acts as a key monomer or crosslinking agent in the synthesis of specialty silicones, hybrid organic-inorganic polymers (ORMOSILs), and high-performance resins.
• Filler Treatment: Enhances the dispersion and interfacial bonding of mineral fillers (e.g., silica, clay) in rubber and plastic composites, improving mechanical properties.
• Adhesion Promoter: Incorporated into primer formulations for metals, glass, and plastics to significantly boost coating adhesion and corrosion resistance.
• Electronics & Semiconductor: Employed in the fabrication of low-k dielectric materials, passivation layers, and as a silanizing agent for microelectronic components.
• Chromatography Media: Serves as a derivatization reagent for preparing functionalized stationary phases used in HPLC and affinity chromatography.

Basic Information

Product Name	4-(Chloromethyl)Phenyltrimethoxysilane
CAS No.	24413-04-5
Molecular Formula	C10H15ClO3Si
Molecular Weight	246.76 g/mol
Synonyms	(4-(Chloromethyl)phenyl)trimethoxysilane; p-(Chloromethyl)phenyltrimethoxysilane; 1-(Chloromethyl)-4-(trimethoxysilyl)benzene; Trimethoxy(4-(chloromethyl)phenyl)silane; Silane, trimethoxy[4-(chloromethyl)phenyl]-; (p-Chloromethylphenyl)trimethoxysilane; 4-(Trimethoxysilyl)benzyl chloride
EINECS	Contact for details

Quality Control

Our 4-(Chloromethyl)Phenyltrimethoxysilane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistency and high purity, meeting the exacting standards required for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, containers should be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical
Density (25°C)	~1.15 g/cm³
Refractive Index (n20/D)	~1.480

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