Description

n-[2-Methyl-3-(Methyldipropoxysilyl)Propyl]Ethylenediamine is a specialized organosilicon amine coupling agent, recognized for its unique bifunctional structure that combines a reactive silyl ether group with a primary amine functionality. This compound is engineered to act as a powerful adhesion promoter and surface modifier, creating durable covalent bonds between inorganic substrates and organic polymer matrices. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composite materials, where enhanced interfacial strength and long-term durability are critical performance requirements.

Application

• As a key adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives for metals, glass, and minerals.
• As a surface treatment agent for silica, glass fibers, and other mineral fillers to improve dispersion and bonding in polymer composites.
• As a crosslinking agent and modifier in silicone sealants and RTV (Room Temperature Vulcanizing) rubbers to enhance mechanical properties.
• In the formulation of primers and tie-layers for difficult-to-bond substrates like polyolefins and engineering plastics.
• As an interfacial agent in fiber-reinforced plastics (FRP) and advanced composite materials to boost interlaminar shear strength.
• For the functionalization of nanoparticles and surfaces in specialty chemical and electronic applications.
• In the synthesis of specialty silane polymers and hybrid organic-inorganic materials (ORMOSILs).

Basic Information

Product Name	n-[2-Methyl-3-(Methyldipropoxysilyl)Propyl]Ethylenediamine
CAS No.	80190-61-0
Molecular Formula	C13H32N2O2Si
Molecular Weight	276.50 g/mol
Synonyms	N-[2-Methyl-3-(methyldipropoxysilyl)propyl]ethylenediamine; 3-[(Methyldipropoxysilyl)methyl]-1-ethylaminopropane; Ethylenediamine, N-[2-methyl-3-(methyldipropoxysilyl)propyl]-; Amino-functional silane coupling agent; (3-Ethylenediamino-2-methylpropyl)methyldipropoxysilane; MDSPED; Silane A-2120 (common trade name reference)
EINECS	Contact for details

Quality Control

Our production of n-[2-Methyl-3-(Methyldipropoxysilyl)Propyl]Ethylenediamine adheres to a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay by titration or GC, identity confirmation by FT-IR, and control of key impurities. Certificates of Analysis (COA) documenting all test results are 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) after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC or Titration)	≥ 97.0%
Refractive Index (n20/D)	1.440 - 1.450
Density (g/mL, 20°C)	0.92 - 0.96
Water Content (KF)	≤ 0.5%

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