Description

N,N''-[(1,1,3,3-Tetramethyldisiloxane-1,3-Diyl)Dipropane-3,1-Diyl]Bis(Ethylenediamine) is a specialized organosilicon diamine compound featuring a central disiloxane linkage. This unique bifunctional structure, combining amine reactivity with siloxane backbone flexibility, makes it a critical building block for advanced material synthesis. It is primarily utilized by R&D chemists and process engineers in the specialty polymers, adhesives, and surface modification sectors seeking to incorporate tailored organic-inorganic hybrid properties.

Application

• Crosslinking Agent for Silicone Polymers: Serves as a functional chain extender or crosslinker in the synthesis of polyurea-modified silicones, enhancing mechanical properties and thermal stability.
• Intermediate for Epoxy Curing Agents: Used to manufacture novel amine-functional hardeners for epoxy resin systems, improving flexibility and adhesion to various substrates.
• Surface Modification Reagent: Acts as a coupling agent to functionalize silica, glass, or metal oxide surfaces with reactive amine groups for subsequent bonding or coating applications.
• Precursor for Dendrimers and Hyperbranched Polymers: Employed as a core or branching unit in the controlled synthesis of complex, three-dimensional macromolecular architectures.
• Additive in Adhesive & Sealant Formulations: Imparts improved adhesion, particularly to low-surface-energy plastics, and modifies the cure profile of polyurethane and silicone-based formulations.
• Ligand for Metal Complexation: Utilized in catalysis and material science to create chelating ligands for transition metals, useful in homogeneous catalysis or metal-organic frameworks (MOFs).

Basic Information

Product Name	N,N''-[(1,1,3,3-Tetramethyldisiloxane-1,3-Diyl)Dipropane-3,1-Diyl]Bis(Ethylenediamine)
CAS No.	17866-53-4
Molecular Formula	C16H42N4O1Si2
Molecular Weight	362.71 g/mol
Synonyms	1,3-Bis(3-aminopropyl)tetramethyldisiloxane; N1,N3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane; 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propan-1-amine) derivative; Bis(3-aminopropyl)tetramethyldisiloxane; APTMDS; Diamino-functional siloxane; Aminopropyl-terminated polydimethylsiloxane (short chain); 1,3-Di(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane
EINECS	Contact for details

Quality Control

Our production of N,N''-[(1,1,3,3-Tetramethyldisiloxane-1,3-Diyl)Dipropane-3,1-Diyl]Bis(Ethylenediamine) adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and moisture content are provided with each shipment. We support customer audits and can supply material that meets specific custom synthesis requirements 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). Due to its hygroscopic nature, containers must be kept tightly sealed after initial use to prevent moisture absorption, which can affect product quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.440 - 1.450
Density (20°C)	0.90 - 0.95 g/mL

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