Description

5-(Bicycloheptenyl)Triethoxysilane is a specialized organosilicon compound, specifically a silane coupling agent, that serves as a critical molecular bridge between inorganic substrates and organic polymers. Its unique bicyclic structure provides enhanced thermal stability and compatibility, making it a key component for improving adhesion, dispersion, and mechanical properties in composite materials. This product is essential for manufacturers in the advanced materials, coatings, and rubber industries seeking to develop high-performance, durable products.

Application

• As a coupling agent in mineral-filled composites (e.g., silica, clay) to enhance filler dispersion and interfacial adhesion.
• Surface modification of glass fibers and other inorganic reinforcements for use in fiberglass-reinforced plastics (FRP) and engineering thermoplastics.
• Primer or additive in adhesive and sealant formulations to improve bonding to difficult substrates like metals, glass, and minerals.
• Key ingredient in the synthesis of specialty silicone resins and polymers requiring specific hydrophobic or release properties.
• Modifier for rubber compounds, including silicone rubber, to improve crosslinking efficiency and filler-matrix interaction.
• Surface treatment agent for nanoparticles and pigments to prevent agglomeration and improve compatibility in coating systems.

Basic Information

Product Name	5-(Bicycloheptenyl)Triethoxysilane
CAS No.	18401-43-9
Molecular Formula	C15H28O3Si
Molecular Weight	284.47 g/mol
Synonyms	5-Norbornene-2-yltriethoxysilane; 2-(Triethoxysilyl)-5-norbornene; Bicyclo[2.2.1]hept-5-ene-2-yltriethoxysilane; 5-Norbornen-2-yltriethoxysilane; NB Triethoxysilane; Silane, triethoxy(5-norbornen-2-yl)-; (5-Norbornen-2-yl)triethoxysilane
EINECS	Contact for details

Quality Control

Our production of 5-(Bicycloheptenyl)Triethoxysilane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our commitment to traceability and reliability supports your supply chain and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and maintain product integrity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.430 - 1.440
Density (g/mL, 20°C)	0.980 - 1.010
Moisture (KF)	≤ 0.5%

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