Description

5-Bromopentyltrimethoxysilane is a bifunctional organosilicon compound featuring a reactive bromoalkyl group and hydrolyzable methoxysilane groups. This dual functionality makes it a valuable coupling agent and versatile intermediate for introducing silane functionality into organic matrices. It is primarily used in the synthesis of advanced materials, including surface modifiers, adhesion promoters, and specialty polymers. Industries such as electronics, coatings, and advanced composites rely on this chemical for its ability to form stable bonds between organic and inorganic phases.

Application

• Surface Modification Agent: Used to functionalize glass, silica, and metal oxide surfaces to improve adhesion and compatibility with organic polymers.
• Polymer Synthesis Intermediate: Serves as a key monomer or cross-linking agent in the production of silicone-modified polymers and hybrid organic-inorganic materials.
• Adhesion Promoter: Enhances the bond strength in sealants, adhesives, and coating formulations, particularly on difficult-to-bond substrates.
• Coupling Agent for Composites: Improves the interfacial adhesion between inorganic fillers (e.g., glass fibers, minerals) and polymer matrices in composite materials.
• Precursor for Further Synthesis: The bromoalkyl group can undergo further nucleophilic substitution reactions to create a wide range of custom organosilane derivatives.
• Electronic Materials: Used in the fabrication of dielectric layers, passivation coatings, and other electronic materials where precise surface chemistry is critical.

Basic Information

Product Name	5-Bromopentyltrimethoxysilane
CAS No.	773893-02-0
Molecular Formula	C8H19BrO3Si
Molecular Weight	271.23 g/mol
Synonyms	(5-Bromopentyl)trimethoxysilane; Trimethoxy(5-bromopentyl)silane; 5-Bromopentyltrimethoxy silane; Silane, trimethoxy(5-bromopentyl)-; 773893-02-0; 5-Bromoamyltrimethoxysilane; (5-Bromoamyl)trimethoxysilane
EINECS	Contact for details

Quality Control

Our 5-Bromopentyltrimethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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) and should be handled under a dry atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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