Description

3-(Dimethoxymethylsilyl)Propylamine is a bifunctional organosilicon compound featuring both amine and alkoxysilane groups. This dual functionality makes it a highly effective coupling agent and adhesion promoter, bridging organic polymers and inorganic substrates. It is essential for manufacturers in the adhesives, sealants, coatings, and composites industries seeking to enhance material durability, mechanical strength, and environmental resistance. The compound is supplied with the CAS registry number 3663-44-3.

Application

• Adhesion Promoter: Key component in primers and coupling agents for paints, inks, and coatings on glass, metal, and mineral surfaces.
• Surface Modification: Used to treat fillers (e.g., silica, glass fibers) and pigments to improve dispersion and compatibility in polymer matrices.
• Crosslinking Agent: Functions as a co-monomer or crosslinker in silicone and organic polymer systems to modify elasticity and thermal stability.
• Composite Materials: Enhances the interfacial bonding between organic resins and inorganic reinforcements in fiberglass and mineral-filled composites.
• Sealants and Adhesives: Improves adhesion to difficult-to-bond substrates and increases the moisture resistance of the final product.
• Biomedical and Dental Materials: Employed in the surface functionalization of implants and dental composites for improved biocompatibility and bonding.

Basic Information

Item	Details
Product Name	3-(Dimethoxymethylsilyl)Propylamine
CAS No.	3663-44-3
Molecular Formula	C6H17NO2Si
Molecular Weight	163.29 g/mol
Synonyms	N-[3-(Dimethoxymethylsilyl)propyl]amine; 3-Aminopropyldimethoxymethylsilane; (3-Aminopropyl)dimethoxymethylsilane; Dynasylan 1505; Silquest A-2120; Amino functional silane; Aminoalkylalkoxysilane; γ-Aminopropyldimethoxymethylsilane
EINECS	Contact for details

Quality Control

Our 3-(Dimethoxymethylsilyl)Propylamine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, FTIR, and titration, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your 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); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.425
Density (20°C)	0.92 - 0.96 g/mL
Water Content (KF)	≤ 0.5%

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