Description

4-Triethoxysilylaniline is a bifunctional organosilane coupling agent featuring both a reactive triethoxysilyl group and a primary aromatic amine group. This unique molecular structure makes it a critical intermediate for creating covalent bonds between inorganic substrates and organic polymers or resins. It is essential for manufacturers in the advanced materials sector who require enhanced adhesion, durability, and specific surface properties in their composite systems.

Application

• As a surface modification agent for glass, silica, and metal oxides to improve polymer adhesion.
• A key coupling agent in fiber-reinforced plastics (FRP) and mineral-filled composites.
• As a precursor for functionalized silanes and silsesquioxanes (POSS) used in hybrid materials.
• In the formulation of adhesives, sealants, and coatings to enhance bonding to challenging surfaces.
• For the immobilization of catalysts or bioactive molecules onto solid supports in catalysis and biotechnology.
• In the production of specialty silicones and release coatings where amine functionality is required.

Basic Information

Product Name	4-Triethoxysilylaniline
CAS No.	7003-80-7
Molecular Formula	C12H21NO3Si
Molecular Weight	255.39 g/mol
Synonyms	p-Aminophenyltriethoxysilane; (4-Aminophenyl)triethoxysilane; 4-Aminophenyltriethoxysilane; Aniline, 4-(triethoxysilyl)-; Silane, (4-aminophenyl)triethoxy-; A 0700; KBE-903; GF90; SCA-A03
EINECS	Contact for details

Quality Control

Our 4-Triethoxysilylaniline is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and functional group verification, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to support your quality assurance processes.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 97.0%
Density (20°C)	~1.02 g/cm³
Refractive Index (n20D)	~1.495

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