Description

2-(Triethoxysilyl)Propiononitrile CAS NO 17932-62-6 is a versatile organosilicon coupling agent featuring a reactive nitrile group and hydrolyzable ethoxysilyl functionalities. This dual reactivity makes it a critical intermediate for modifying surfaces and polymers, enhancing adhesion and compatibility between organic and inorganic phases. It is essential for manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries seeking to improve product performance and durability.

Application

• Silane Coupling Agent: Used to promote adhesion between mineral-filled composites (e.g., glass, silica) and organic polymer matrices in engineering plastics and rubber.
• Surface Modification: Imparts specific surface properties to inorganic materials like glass, metals, and fillers for improved dispersion and compatibility in formulations.
• Adhesive & Sealant Formulations: Enhances bond strength, moisture resistance, and durability in high-performance silicone and organic polymer-based systems.
• Protective Coatings: Serves as a crosslinking agent or adhesion promoter in corrosion-resistant and specialty coatings.
• Intermediate for Chemical Synthesis: The nitrile group can be further transformed into other functional groups (e.g., carboxylic acids, amides) to create custom silane derivatives.
• Fiber Treatment: Used as a sizing or finishing agent for glass and carbon fibers to improve their interfacial bonding with resin in composite materials.

Basic Information

Product Name	2-(Triethoxysilyl)Propiononitrile
CAS No.	17932-62-6
Molecular Formula	C11H23NO3Si
Molecular Weight	245.39 g/mol
Synonyms	3-(Triethoxysilyl)propanenitrile; γ-Cyanoethyltriethoxysilane; Cyanoethyltriethoxysilane; Triethoxy(2-cyanoethyl)silane; 2-Cyanoethyltriethoxysilane; Propanenitrile, 3-(triethoxysilyl)-; Silane, triethoxy(2-cyanoethyl)-; A 1122 (Union Carbide designation)
EINECS	241-880-1

Quality Control

Our production of 2-(Triethoxysilyl)Propiononitrile adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analysis, including purity assay and identity confirmation. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance processes.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.415 - 1.425
Density (g/mL, 25°C)	0.98 - 1.02

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