Description

3-Cyanobutyltriethoxysilane is a specialized organosilicon compound featuring both a cyano functional group and hydrolyzable ethoxysilane groups, making it a versatile coupling agent and monomer. This dual functionality is critical for creating strong, durable bonds between inorganic materials and organic polymers, enhancing composite performance. It is essential for manufacturers in the advanced materials, adhesives, and coatings industries seeking to improve product adhesion, mechanical strength, and chemical resistance.

Application

• As a silane coupling agent in fiberglass-reinforced plastics and mineral-filled composites to improve interfacial adhesion and mechanical properties.
• A key monomer for synthesizing specialty silicone polymers and resins with tailored properties for high-performance coatings and sealants.
• Surface modification of inorganic fillers (e.g., silica, glass) to enhance their compatibility and dispersion in polymer matrices like epoxies and polyamides.
• In the formulation of adhesives and primers to promote bonding on difficult substrates such as metals, glass, and ceramics.
• Used in the production of moisture-curable materials where the ethoxysilane groups facilitate cross-linking upon exposure to atmospheric humidity.
• Potential applications in electronic encapsulants and potting compounds to provide moisture resistance and improved adhesion.

Basic Information

Product Name	3-Cyanobutyltriethoxysilane
CAS No.	1049679-56-2
Molecular Formula	C11H23NO3Si
Molecular Weight	245.40 g/mol
Synonyms	Triethoxy(3-cyanobutyl)silane; 4-(Triethoxysilyl)butanenitrile; 3-Cyanobutyltriethoxysilane; Butanenitrile, 4-(triethoxysilyl)-; γ-Cyanobutyltriethoxysilane; (3-Cyanopropyl)triethoxysilane homologue; Silane, triethoxy(3-cyanobutyl)-
EINECS	Contact for details

Quality Control

Our 3-Cyanobutyltriethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

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 a dry inert atmosphere (e.g., nitrogen) to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.420 - 1.425
Density (g/mL, 20°C)	0.95 - 0.98

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