Description

3-[3-(Diethoxymethylsilyl)Propoxy]Propylamine is a bifunctional organosilane coupling agent featuring both an alkoxysilane group and a primary amine group in its molecular structure. This dual functionality makes it a critical component for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is essential for manufacturers in the coatings, adhesives, and composites industries seeking to improve the mechanical properties, durability, and chemical resistance 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 silica, glass fibers, and other mineral fillers to improve dispersion and bonding in polymer composites.
• In the formulation of primers and tie-layers for bonding paints, inks, and adhesives to difficult substrates like metals and glass.
• As a crosslinking agent or reactive intermediate in the synthesis of specialty silicones and hybrid organic-inorganic materials.
• For the functionalization of nanoparticles to create advanced materials for electronics and biomedical applications.
• In the production of moisture-curable systems, where it acts as a co-catalyst and adhesion enhancer.

Basic Information

Product Name	3-[3-(Diethoxymethylsilyl)Propoxy]Propylamine
CAS No.	85554-73-0
Molecular Formula	C11H27NO3Si
Molecular Weight	249.43 g/mol
Synonyms	N-(3-(Trimethoxysilyl)propyl)propane-1,3-diamine (common misnomer); (3-Aminopropyl)methyl-diethoxysilane; 3-Aminopropyl(methyl)diethoxysilane; Amino-functional silane; AMDES; Dynasylan® 1505; Silquest® A-2120; Amino silane coupling agent
EINECS	Contact for details

Quality Control

Our production of 3-[3-(Diethoxymethylsilyl)Propoxy]Propylamine adheres to a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, FTIR, and titration to verify key parameters such as assay, amine content, and silane functionality. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your material requirements.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and polymerization upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Amine Value	Contact for details
Refractive Index (n20/D)	1.420 - 1.430
Density (20°C)	0.92 - 0.96 g/mL

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