Description

3-(n-Styrylmethyl-2-Aminoethylamino)Propyltrimethoxysilane Hydrochloride is a specialized organosilane coupling agent, valued for its unique bifunctional structure that combines a reactive aminoethylamino group with a hydrolyzable trimethoxysilyl group. This compound is essential for creating strong, durable bonds between inorganic substrates and organic polymers, significantly enhancing composite material performance. It is primarily needed by manufacturers in the advanced materials, coatings, adhesives, and rubber industries seeking to improve adhesion, mechanical strength, and environmental resistance.

Application

• As a key adhesion promoter in fiberglass-reinforced plastics and composite materials.
• Surface modification of mineral fillers (e.g., silica, clay) to improve dispersion and compatibility in polymer matrices.
• Enhancing the bonding and water resistance in sealants, adhesives, and coatings formulations.
• Improving the mechanical properties and filler-polymer interaction in silicone and rubber compounds.
• As a surface treatment agent for glass fibers and textiles to increase interfacial strength with resins.
• Potential use as an intermediate in the synthesis of more complex specialty silanes for niche applications.

Basic Information

Item	Details
Product Name	3-(n-Styrylmethyl-2-Aminoethylamino)Propyltrimethoxysilane Hydrochloride
CAS No.	33401-49-9
Molecular Formula	C17H30N2O3Si · HCl
Molecular Weight	374.98 g/mol
Synonyms	N-[3-(Trimethoxysilyl)propyl]-N'-(2-styrylmethyl)ethylenediamine hydrochloride; 3-[(2-Aminoethyl)(styrylmethyl)amino]propyltrimethoxysilane hydrochloride; N-(2-Aminoethyl)-N-(styrylmethyl)-3-aminopropyltrimethoxysilane hydrochloride; Silane coupling agent KH-792 derivative (hydrochloride salt); Styrylamino functional silane hydrochloride; Amino silane coupling agent, styryl-modified; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 3-(n-Styrylmethyl-2-Aminoethylamino)Propyltrimethoxysilane Hydrochloride adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each 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 place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed and under a dry inert atmosphere after opening to prevent degradation.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Refractive Index (n20D)	1.480 - 1.500
Density (20°C)	1.05 - 1.15 g/cm³

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