Description

Triethoxysilanamine is a versatile organosilicon compound featuring both alkoxysilane and primary amine functionalities. This dual reactivity makes it a crucial coupling agent and surface modifier in advanced material synthesis. It is essential for industries requiring enhanced adhesion, compatibility, and performance between organic polymers and inorganic substrates. Key sectors utilizing this material include specialty coatings, advanced composites, and electronics.

Application

• Silane Coupling Agent: Promotes adhesion between organic resins (epoxy, polyurethane) and inorganic materials like glass, metals, and minerals in composite materials and sealants.
• Surface Modification: Functionalizes silica, nanoparticles, and other fillers to improve dispersion and interfacial bonding in polymer matrices.
• Adhesion Promoter in Coatings: Used in primers and coatings for metals, glass, and plastics to enhance durability, corrosion resistance, and paint adhesion.
• Precursor for Silsesquioxanes: Serves as a building block in the sol-gel synthesis of hybrid organic-inorganic materials and POSS (Polyhedral Oligomeric Silsesquioxanes).
• Electronics & Semiconductor: Applied in dielectric layers, passivation coatings, and as a surface treatment agent in microelectronic fabrication.
• Fiber Treatment: Used to treat glass and carbon fibers to improve their compatibility with thermoplastic and thermoset resins.

Basic Information

Product Name	Triethoxysilanamine
CAS No.	2325-41-9
Molecular Formula	C6H17NO3Si
Molecular Weight	179.29 g/mol
Synonyms	(3-Aminopropyl)triethoxysilane; 3-Aminopropyltriethoxysilane; APTES; γ-Aminopropyltriethoxysilane; Triethoxy(3-aminopropyl)silane; 3-Triethoxysilylpropylamine; A 1100; Silane A-1100; Dynasylan AMEO; KH-550; 3-APTES
EINECS	219-028-8

Quality Control

Our Triethoxysilanamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, FTIR, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available for all shipments to support your quality assurance protocols.

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). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.420 - 1.425
Density (g/mL, 20°C)	0.940 - 0.960

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