Description

n-[3-(Diethoxymethylsilyl)Propyl]Ethylenediamine is a bifunctional organosilane coupling agent featuring both an alkoxysilyl group and a primary/secondary amine functionality. This unique structure makes it a critical component for modifying surfaces and enhancing adhesion between inorganic materials and organic polymers. It is essential for manufacturers in the composites, coatings, and sealants industries seeking to improve the mechanical properties, durability, and chemical resistance of their products.

Application

• Glass Fiber & Mineral Filler Treatment: As a coupling agent in fiberglass-reinforced plastics (FRP) and composite materials to improve interfacial bonding and mechanical strength.
• Adhesive & Sealant Formulations: To enhance adhesion to difficult substrates like glass, metals, and painted surfaces, improving peel strength and environmental resistance.
• Surface Modification of Nanoparticles: For functionalizing silica, alumina, and other inorganic nanoparticles to improve dispersion and compatibility in polymer matrices.
• Corrosion-Resistant Coatings: As an additive in primers and coatings to promote adhesion to metal substrates and provide a barrier against moisture and corrosion.
• Rubber & Tire Manufacturing: To improve the bonding between silica fillers and rubber polymers, enhancing abrasion resistance and reducing rolling resistance.
• Epoxy & Polyurethane Systems: As an adhesion promoter and curing agent modifier to increase flexibility and chemical resistance in cured thermosets.

Basic Information

Product Name	n-[3-(Diethoxymethylsilyl)Propyl]Ethylenediamine
CAS No.	70240-34-5
Molecular Formula	C10H26N2O2Si
Molecular Weight	234.41 g/mol
Synonyms	N-(3-(Diethoxymethylsilyl)propyl)ethylenediamine; 3-(2-Aminoethylamino)propylmethyldiethoxysilane; N-(2-Aminoethyl)-3-aminopropylmethyldiethoxysilane; Diethoxy(methyl)[3-[(2-aminoethyl)amino]propyl]silane; Aminoethylaminopropylmethyldiethoxysilane; AEEA silane; Silane coupling agent KBM-602 (trade name equivalent); Dynasylan 1411 (trade name equivalent)
EINECS	274-460-5

Quality Control

Our production of n-[3-(Diethoxymethylsilyl)Propyl]Ethylenediamine adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, 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). Due to its hygroscopic nature, containers must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.440 - 1.445
Density (g/mL, 25°C)	0.920 - 0.940
Water Content (KF)	≤ 0.5%

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