Description

1,2-Ethanediamine, N,n-(1,1,3,3-Tetraethoxy-1,3-Disiloxanediyl)Di-3,1-Propanediylbis- is a specialized organosilicon diamine compound, valued for its dual functionality as a silane coupling agent and a reactive amine intermediate. Its molecular architecture enables it to act as a critical bridge between inorganic substrates and organic polymer matrices, enhancing adhesion, dispersion, and mechanical properties. This product is essential for manufacturers in the advanced composites, specialty adhesives, and high-performance coatings industries seeking to improve material compatibility and durability.

Application

• Silane Coupling Agent: Used to modify silica, glass fibers, and other mineral fillers to improve their compatibility and bonding with epoxy, polyurethane, and other polymer resins.
• Epoxy Curing Agent/Modifier: Functions as a cross-linking agent or additive for epoxy systems, contributing to improved toughness, flexibility, and adhesion to difficult substrates.
• Adhesive & Sealant Formulation: Incorporated into high-performance structural adhesives and sealants to enhance wetting, adhesion strength, and environmental resistance.
• Composite Materials: A key ingredient in fiber-reinforced plastics (FRP) and nanocomposites to optimize the interface between the reinforcement and the polymer matrix.
• Surface Treatment: Applied as a primer or surface treatment for metals, glass, and ceramics to promote adhesion for subsequent coatings or bonding.
• Polymer Modification: Serves as a monomer or chain extender in the synthesis of polyamides, polyimides, and other specialty polymers requiring silicon incorporation.

Basic Information

Product Name	1,2-Ethanediamine, N,n-(1,1,3,3-Tetraethoxy-1,3-Disiloxanediyl)Di-3,1-Propanediylbis-
CAS No.	158588-48-8
Molecular Formula	C18H44N2O6Si2
Molecular Weight	440.73 g/mol
Synonyms	N,N-Bis[3-(trimethoxysilyl)propyl]ethylenediamine; 3,3'-[1,2-Ethanediylbis(imino)]bis[1-propanol] 1,1,3,3-tetraethoxy-1,3-disiloxanediyl di-; Bis(3-triethoxysilylpropyl)amine analog; Ethylenediamine derivative silane; Amino-functional silane coupling agent; Amino silane crosslinker; AEEA silane; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 1,2-Ethanediamine, N,n-(1,1,3,3-Tetraethoxy-1,3-Disiloxanediyl)Di-3,1-Propanediylbis- adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing key specifications are provided to guarantee the material meets your technical requirements and supports compliance in regulated formulations.

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); containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.430 - 1.450
Density (g/mL, 20°C)	0.98 - 1.02

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