Description

n-Methyl-3-(triethoxysilyl)propylamine is a bifunctional organosilane coupling agent featuring both an amino group and hydrolyzable ethoxysilyl groups. This dual functionality makes it a critical component for enhancing adhesion and compatibility between organic polymers and inorganic substrates. It is primarily used by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the production of advanced composites and surface-modified fillers.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives.
• For the surface modification of inorganic fillers (e.g., silica, glass fibers, minerals) to improve dispersion and mechanical properties in polymer composites.
• As a key intermediate in the synthesis of specialty silane-modified polymers (SMP) and sealants, providing moisture-curing properties.
• In the formulation of primers and tie-layers to enhance bonding on difficult substrates like metals, glass, and plastics.
• For corrosion inhibition in metal surface treatment formulations.
• In the production of amino-functional silicone resins and emulsions.

Basic Information

Product Name	n-Methyl-3-(triethoxysilyl)propylamine
CAS No.	6044-50-4
Molecular Formula	C10H25NO3Si
Molecular Weight	235.40 g/mol
Synonyms	N-Methyl-3-(triethoxysilyl)-1-propanamine; 3-(Triethoxysilyl)propylmethylamine; N-Methylaminopropyltriethoxysilane; Methylaminopropyltriethoxysilane; MAPTES; Dynasylan® 1110; Silquest® A-1110; A-1110; γ-(Methylamino)propyltriethoxysilane; N-[(Triethoxysilyl)propyl]methylamine
EINECS	227-923-4

Quality Control

Our n-Methyl-3-(triethoxysilyl)propylamine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards typical for industrial coupling agents. A comprehensive Certificate of Analysis (COA) detailing purity, assay, 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, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent hydrolysis and degradation. Keep away from heat and incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.425 - 1.430
Density (20°C)	0.91 - 0.93 g/cm³

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