Description

3-(n-Styrylmethyl-2-Aminoethylamino)-Propyltrimethoxysilane Hydrochloride is a specialized organosilane coupling agent with a unique cationic amine functionality. This compound is engineered to provide superior adhesion and compatibility between inorganic substrates and organic polymers, particularly in challenging environments. It is essential for manufacturers in the advanced composites, coatings, and rubber industries seeking to enhance material performance, durability, and interfacial bonding.

Application

• Glass Fiber & Mineral Reinforcement: A key coupling agent for fiberglass and mineral-filled composites (e.g., PP, PA, PE) to improve mechanical strength and moisture resistance.
• Adhesives & Sealants: Improves the bond strength and water resistance of epoxy, polyurethane, and acrylic-based systems on glass, metal, and mineral surfaces.
• Coatings & Paints: Functions as an adhesion promoter in corrosion-resistant and decorative coatings, ensuring long-term durability on metallic substrates.
• Rubber & Tire Manufacturing: Enhances the filler-matrix interaction between silica and rubber, improving abrasion resistance, tensile strength, and reducing rolling resistance.
• Surface Treatment: Used for priming glass, metals, and silica to create a reactive surface for subsequent polymer grafting or coating applications.
• Printed Circuit Boards (PCBs): Improves the adhesion of resins to copper clad laminates and other components in electronic encapsulants.

Basic Information

Product Name	3-(n-Styrylmethyl-2-Aminoethylamino)-Propyltrimethoxysilane Hydrochloride
CAS No.	34937-00-3
Molecular Formula	C17H30N2O3Si · HCl
Molecular Weight	375.0 g/mol (approx.)
Synonyms	N-[3-(Trimethoxysilyl)propyl]-N'-(2-aminoethyl)-N'-styrylmethyl-ethylenediamine hydrochloride; 3-[(2-Aminoethyl)(styrylmethyl)amino]propyltrimethoxysilane hydrochloride; Aminoethylaminopropyltrimethoxysilane, styrylmethyl derivative hydrochloride; Silane coupling agent KH-792 derivative hydrochloride; Cationic aminosilane; N-Stilbenemethyl-N'-(2-aminoethyl)-N'-[3-(trimethoxysilyl)propyl]ethylenediamine hydrochloride; Z-6940 (Potential commercial code)
EINECS	Contact for details

Quality Control

Our production of 3-(n-Styrylmethyl-2-Aminoethylamino)-Propyltrimethoxysilane Hydrochloride adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure consistency and performance. Certificates of Analysis (COA) detailing purity, physical properties, and test results are provided with each shipment and are available upon request.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong acids and bases.

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 (g/mL, 20°C)	1.05 - 1.15
Chloride Content	Conforms

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