Description

(Aminoethylaminomethyl)Phenethyltrimethoxysilane is a specialized bifunctional organosilane coupling agent, featuring both primary amine and methoxysilane reactive groups. This unique molecular structure enables it to act as a powerful adhesion promoter and surface modifier, creating durable covalent bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the composites, coatings, adhesives, and sealants industries seeking to enhance mechanical properties, chemical resistance, and long-term durability in their products.

Application

• As a coupling agent in fiberglass-reinforced plastics (FRP) and mineral-filled composites to improve interfacial adhesion and wet strength.
• As a surface primer or additive in epoxy, polyurethane, and acrylic coatings to enhance adhesion to challenging substrates like metals, glass, and concrete.
• In the formulation of high-performance adhesives and sealants to improve bond strength and environmental resistance.
• For the surface treatment of silica, glass fibers, and other mineral fillers to improve their compatibility and dispersion in polymer matrices.
• As a key intermediate in the synthesis of specialized silane-modified polymers (SMP) and hybrid organic-inorganic materials.
• In the production of moisture-curable systems, where its methoxysilane groups facilitate cross-linking upon exposure to atmospheric humidity.

Basic Information

Product Name	(Aminoethylaminomethyl)Phenethyltrimethoxysilane
CAS No.	75822-22-9
Molecular Formula	C14H26N2O3Si
Molecular Weight	298.46 g/mol
Synonyms	N-[2-(Aminoethyl)aminomethyl]phenethyltrimethoxysilane; 3-[2-(2-Aminoethylamino)ethyl]phenyltrimethoxysilane; Phenethyltrimethoxysilane, aminoethylaminomethyl deriv.; Aminoethylaminomethyl Phenethyl Trimethoxy Silane; AEPTMS; AEAPTMS; Silane coupling agent KH-792 analog (phenyl variant); γ-(2-Aminoethyl)aminomethylphenethyltrimethoxysilane
EINECS	Contact for details

Quality Control

Our production of (Aminoethylaminomethyl)Phenethyltrimethoxysilane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity, reactivity, and performance. Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles are provided and available upon request, supporting your quality assurance and regulatory compliance needs.

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 hydrolysis and maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 95.0%
Refractive Index (n20D)	1.470 - 1.480
Density (g/mL, 20°C)	1.020 - 1.050

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