Description

(Aminoethylamino)-3-Isobutyldimethylmethoxysilane is a specialized organofunctional silane coupling agent featuring a primary amine group. This compound is engineered to create strong covalent bonds between inorganic substrates and organic polymers, significantly enhancing composite material performance. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for advanced material scientists developing reinforced plastics and mineral-filled composites.

Application

• As a key adhesion promoter in epoxy, polyurethane, and acrylic-based industrial coatings and primers for metals, glass, and plastics.
• To improve the mechanical properties and moisture resistance of mineral-filled polymer composites, including those with silica, clay, or glass fibers.
• As a surface modifier for pigments and fillers to enhance dispersion and stability in polymer matrices.
• In the formulation of high-performance sealants and adhesives to ensure durable bonds under challenging environmental conditions.
• For the surface treatment of glass fibers and fabrics to improve interfacial adhesion in fiber-reinforced plastics (FRP).
• As a versatile intermediate in the synthesis of more complex specialty silicone compounds and functional materials.

Basic Information

Product Name	(Aminoethylamino)-3-Isobutyldimethylmethoxysilane
CAS No.	31024-49-4
Molecular Formula	C9H24N2O2Si
Molecular Weight	220.39 g/mol
Synonyms	N-[3-(Trimethoxysilyl)propyl]ethylenediamine; 3-(2-Aminoethylamino)propylisobutyldimethoxysilane; (Aminoethylaminopropyl)isobutyldimethoxysilane; Aminoethylaminopropylisobutyldimethoxysilane; Silane AY 43-031; Dynasylan 1411; A-1120 (related amino silane variant); 3-[(2-Aminoethyl)amino]propylisobutyldimethoxysilane
EINECS	Contact for details

Quality Control

Our production of (Aminoethylamino)-3-Isobutyldimethoxysilane adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure consistency and performance. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with each shipment and is available 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 opening to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 97.0%
Refractive Index (n20/D)	1.440 - 1.445
Density (20°C)	0.94 - 0.98 g/cm³

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