Description

(3-Aminopropyl)Dimethylmethoxysilane is a bifunctional organosilicon compound featuring both an amino group and a methoxysilane group, making it a highly effective coupling agent and surface modifier. This dual functionality allows it to create strong, durable bonds between inorganic materials and organic polymers, significantly enhancing composite material performance. It is essential for manufacturers in the adhesives, sealants, coatings, and advanced materials industries seeking to improve adhesion, mechanical strength, and chemical resistance in their products.

Application

• Adhesives & Sealants: Acts as a key adhesion promoter, improving bond strength between organic polymers and inorganic substrates like glass, metals, and minerals.
• Surface Treatment: Used to modify the surface of fillers (e.g., silica, glass fibers) and pigments to enhance their compatibility and dispersion within polymer matrices.
• Composite Materials: Serves as a coupling agent in fiberglass-reinforced plastics (FRP) and mineral-filled composites to increase mechanical properties and moisture resistance.
• Coatings & Inks: Improves the adhesion, scratch resistance, and durability of protective coatings, paints, and printing inks on difficult-to-bond surfaces.
• Silicone Modification: Employed as an intermediate in the synthesis of modified silicones, imparting amino functionality for specific applications.
• Electronics & Optics: Used in the surface preparation of glass and other substrates for optical and electronic applications to ensure reliable adhesion of subsequent layers.

Basic Information

Product Name	(3-Aminopropyl)Dimethylmethoxysilane
CAS No.	31024-26-7
Molecular Formula	C6H17NO2Si
Molecular Weight	163.29 g/mol
Synonyms	3-(Dimethylmethoxysilyl)-1-propanamine; N-(3-(Dimethylmethoxysilyl)propyl)amine; 3-Aminopropyldimethylmethoxysilane; Dimethylmethoxy(3-aminopropyl)silane; Methoxydimethyl(3-aminopropyl)silane; Amino Functional Silane; AMMO; ADMMS
EINECS	Contact for details

Quality Control

Our (3-Aminopropyl)Dimethylmethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and titration methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific technical requirements.

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 atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.430
Density (g/mL, 25°C)	0.910 - 0.930

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