Description

n-[3-[Tris(Octyloxy)Silyl]Propyl]Ethylenediamine is a specialized organosilicon compound featuring a unique bifunctional structure that combines a reactive ethylenediamine head group with a long-chain trialkoxysilyl tail. This molecular architecture makes it an exceptionally effective coupling agent and adhesion promoter, bridging organic polymers and inorganic substrates. It is primarily utilized in advanced material science for enhancing the performance and durability of coatings, adhesives, and composite materials.

Application

• Adhesion Promoter in high-performance paints, coatings, and sealants for metals, glass, and plastics.
• Coupling Agent in mineral-filled polymer composites (e.g., fiberglass, silica-filled rubber) to improve mechanical strength and moisture resistance.
• Surface Modifier for nanoparticles and inorganic fillers to enhance dispersion and compatibility in organic matrices.
• Primer Component for promoting bond strength in structural adhesives and tire cord adhesives (RFL dips).
• Corrosion Inhibiting Additive in protective coatings for metal substrates.
• Intermediate for the synthesis of more complex silane-based specialty chemicals.

Basic Information

Product Name	n-[3-[Tris(Octyloxy)Silyl]Propyl]Ethylenediamine
CAS No.	93804-22-9
Molecular Formula	C29H63N2O3Si
Molecular Weight	507.9 g/mol
Synonyms	N-[3-[Tris(octyloxy)silyl]propyl]ethane-1,2-diamine; 3-(2-Aminoethylamino)propyltris(octyloxy)silane; Ethylenediamine, N-[3-[tris(octyloxy)silyl]propyl]-; Amino-functional silane coupling agent; Tris(octyloxy)silylpropyl ethylenediamine; Silane AY 43-031 (trade name equivalent); Amino Silane Coupling Agent KBE-603 (similar type); N-(2-Aminoethyl)-3-aminopropyltris(octyloxy)silane
EINECS	Contact for details

Quality Control

Our production of n-[3-[Tris(Octyloxy)Silyl]Propyl]Ethylenediamine adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific application 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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Color (Gardner)	≤ 4
Refractive Index (n20D)	1.450 - 1.460
Density (g/mL, 20°C)	0.89 - 0.92

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