Description

n-(3-Triethoxysilylpropyl)Ethylenediamine is a bifunctional organosilane coupling agent featuring both primary amine and triethoxysilyl groups. This dual functionality makes it a critical component for enhancing adhesion and compatibility between organic polymers and inorganic substrates. It is essential for manufacturers in the coatings, adhesives, and composites industries seeking to improve the mechanical properties and durability of their products.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and sealants.
• As a surface modifier for glass fibers, minerals, and fillers to improve dispersion and bonding in polymer composites.
• In the formulation of primers and adhesion layers for metals, glass, and plastics.
• As a crosslinking agent or reactive intermediate in the synthesis of specialty silicones and hybrid organic-inorganic materials.
• For the surface treatment of silica and other nanoparticles to enhance compatibility in advanced material applications.

Basic Information

Product Name	n-(3-Triethoxysilylpropyl)Ethylenediamine
CAS No.	5089-72-5
Molecular Formula	C11H28N2O3Si
Molecular Weight	264.44 g/mol
Synonyms	3-(2-Aminoethylamino)propyltriethoxysilane; N-[3-(Triethoxysilyl)propyl]ethylenediamine; Ethylenediaminopropyltriethoxysilane; Aminoethylaminopropyltriethoxysilane; AEAPTES; Dynasylan® 1411; Silane A-1120; Z-6020; 3-(2-Aminoethyl)aminopropyltriethoxysilane
EINECS	225-802-8

Quality Control

Our production of n-(3-Triethoxysilylpropyl)Ethylenediamine adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A Certificate of Analysis (COA) detailing assay, identity, and impurity profiles 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 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.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 97.0%
Refractive Index (n20/D)	1.435 - 1.445
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.