Description

3-(2-Cyanoethoxy)-3,3-Dimethyl-1-Propenyltrimethoxysilane is a specialized organosilicon coupling agent that combines a reactive silane head with a cyano-functional organic tail. This unique bifunctional structure makes it a critical component for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is primarily sought after by manufacturers in the advanced composites, specialty adhesives, and high-performance coatings industries. Its ability to form stable bonds across interfaces makes it indispensable for creating durable, high-strength materials.

Application

• As a coupling agent in glass fiber-reinforced composites to improve mechanical strength and moisture resistance.
• Surface modification of inorganic fillers (e.g., silica, clay) for better dispersion and bonding in polymer matrices like epoxies and polyurethanes.
• Primer or adhesion promoter in high-performance sealants and structural adhesives for demanding environments.
• Key intermediate in the synthesis of advanced silicone-based materials and functional polymers.
• Surface treatment agent for pigments and nanoparticles to prevent agglomeration and enhance compatibility in coating formulations.
• Used in the production of moisture-curable resins and crosslinking agents for silicone rubber.

Basic Information

Product Name	3-(2-Cyanoethoxy)-3,3-Dimethyl-1-Propenyltrimethoxysilane
CAS No.	24820-56-2
Molecular Formula	C11H21NO4Si
Molecular Weight	259.38 g/mol
Synonyms	3-(2-Cyanoethoxy)-3,3-dimethyl-1-propenyltrimethoxysilane; 2-Cyanoethyl (3,3-dimethyl-1-propenyl)trimethoxysilane; (3,3-Dimethyl-1-propenyl)trimethoxysilane 2-cyanoethyl ether; Silane, trimethoxy[3-(2-cyanoethoxy)-3-methyl-1-butenyl]-; 24820-56-2; 3-(2-Cyanoethoxy)-3-methylbut-1-en-1-yltrimethoxysilane
EINECS	Contact for details

Quality Control

Our production of 3-(2-Cyanoethoxy)-3,3-Dimethyl-1-Propenyltrimethoxysilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory compliance 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 a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	1.00 - 1.05 g/mL

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