Description

Bis(Trimethoxysilylethyl)Benzene is a specialized organosilicon compound featuring a benzene core flanked by two trimethoxysilylethyl groups. This unique molecular architecture provides a versatile silane coupling agent with dual functionality, enabling strong adhesion between organic polymers and inorganic substrates. It is essential for manufacturers in the advanced materials sector seeking to enhance the durability, mechanical strength, and environmental resistance of composite materials and coatings.

Application

• As a key coupling agent in fiber-reinforced polymer composites (e.g., glass, carbon fiber) to improve interfacial bonding and mechanical performance.
• As a surface modifier and adhesion promoter in high-performance coatings, paints, and sealants for automotive, aerospace, and construction applications.
• In the formulation of silicone-based resins and elastomers to introduce cross-linking sites and enhance thermal stability.
• For the functionalization of silica, minerals, and other inorganic fillers to improve their compatibility and dispersion in plastic and rubber matrices.
• As a precursor in sol-gel processes for creating hybrid organic-inorganic materials with tailored optical or mechanical properties.
• In the production of specialty adhesives and encapsulants for electronics, where moisture resistance and strong bonding are critical.

Basic Information

Product Name	Bis(Trimethoxysilylethyl)Benzene
CAS No.	266317-71-9
Molecular Formula	C16H30O6Si2
Molecular Weight	374.58 g/mol
Synonyms	1,4-Bis(2-(trimethoxysilyl)ethyl)benzene; Benzene, 1,4-bis[2-(trimethoxysilyl)ethyl]-; m-Xylene-bis(trimethoxysilylethyl); Bis(trimethoxysilylethyl)benzene silane; BTSEB; Silane coupling agent YDH-792; A bis-silane coupling agent
EINECS	Contact for details

Quality Control

Our production of Bis(Trimethoxysilylethyl)Benzene adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR, NMR), and impurity profiling, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical specifications.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and should be stored in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F) under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain stability. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 97.0%
Density (20°C)	~1.05 g/cm³
Refractive Index (n20D)	~1.460
Moisture (Karl Fischer)	≤ 0.5%

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