Description

3-(Diethoxymethylsilyl)-N,n-Dimethyl-1-Propanamine is a bifunctional organosilane coupling agent featuring both a reactive silyl ether group and a tertiary amine functionality. This unique molecular structure enables it to act as an effective adhesion promoter and surface modifier, creating strong bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composite materials, where reliable interfacial bonding is critical for product performance and durability.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives.
• As a surface treatment agent for glass fibers, minerals, and fillers to improve dispersion and mechanical properties in composite materials.
• As a key intermediate in the synthesis of specialty silane-modified polymers (SMP) and hybrid organic-inorganic materials.
• In the formulation of moisture-curable sealants and RTV silicones to enhance adhesion to difficult substrates.
• For corrosion inhibition in metal surface treatment and pretreatment primers.
• As a catalyst or co-catalyst in various organic synthesis and polymerization reactions.

Basic Information

Product Name	3-(Diethoxymethylsilyl)-N,n-Dimethyl-1-Propanamine
CAS No.	82925-57-3
Molecular Formula	C10H25NO2Si
Molecular Weight	219.40 g/mol
Synonyms	N,N-Dimethyl-3-(diethoxymethylsilyl)-1-propanamine; 3-(Diethoxymethylsilyl)-N,N-dimethylpropylamine; (3-(Dimethylamino)propyl)diethoxymethylsilane; Diethoxy(methyl)(3-(dimethylamino)propyl)silane; Amino Silane Coupling Agent; Silane AY 43-031; Dynasylan 1122; AMMEO 1122
EINECS	Contact for details

Quality Control

Our production of 3-(Diethoxymethylsilyl)-N,n-Dimethyl-1-Propanamine adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and titration to verify critical parameters such as assay, amine value, and silane content. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance and regulatory 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 degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.425
Density (g/mL, 25°C)	0.88 - 0.92
Amino Value	Contact for details

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