Description

5,6-Epoxyhexyltriethoxysilane is a specialized organosilane coupling agent featuring a reactive epoxy functional group. This compound is engineered to enhance the adhesion and compatibility between inorganic materials and organic polymers, a critical requirement in advanced composite manufacturing. It is essential for industries seeking to improve the mechanical properties, durability, and performance of their products, particularly in coatings, adhesives, and reinforced plastics.

Application

• As a coupling agent in fiberglass-reinforced composites to improve resin-to-glass bonding and mechanical strength.
• As a surface modifier for inorganic fillers (e.g., silica, glass beads) to enhance their dispersion and compatibility in polymer matrices like epoxies and polyesters.
• In the formulation of adhesives and sealants to promote adhesion to difficult substrates such as metals, glass, and minerals.
• As a crosslinking agent or co-monomer in the synthesis of specialty silicone polymers and hybrid organic-inorganic materials.
• In the production of primer coatings for automotive, aerospace, and construction applications to ensure long-lasting paint adhesion and corrosion resistance.
• For the functionalization of nanoparticles to create tailored surfaces for advanced electronic or biomedical applications.

Basic Information

Product Name	5,6-Epoxyhexyltriethoxysilane
CAS No.	86138-01-4
Molecular Formula	C12H26O4Si
Molecular Weight	262.42 g/mol
Synonyms	3-(Oxiran-2-yl)propyltriethoxysilane; (3-Glycidyloxypropyl)triethoxysilane (common mis-association, but a key related compound); 5,6-Epoxyhexyltriethoxysilane; Triethoxy(5,6-epoxyhexyl)silane; Epoxy-functional silane coupling agent; Silane coupling agent KH-560 (common trade name reference); γ-Glycidoxypropyltriethoxysilane (closely related structural analog); A-187 (commercial code reference)
EINECS	Contact for details

Quality Control

Our production of 5,6-Epoxyhexyltriethoxysilane adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications for epoxy content and silane functionality. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and consistency for your formulation needs.

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 maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.425 - 1.435
Density (g/mL, 25°C)	0.98 - 1.02
Epoxy Value	Contact for details

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