Description

N,N'-Bis(Hydroxyethyl)-N,N'-Bis(Trimethoxysilylpropyl)Ethylenediamine is a high-performance, multi-functional silane coupling agent with a unique molecular structure. It is engineered to provide superior adhesion promotion and crosslinking capabilities between inorganic substrates and organic polymers. This compound is essential for formulators and manufacturers seeking to enhance the durability, mechanical strength, and chemical resistance of composite materials. Its primary applications are found in advanced adhesives, sealants, coatings, and reinforced plastics for demanding industrial and automotive sectors.

Application

• Adhesive & Sealant Formulation: Acts as a key adhesion promoter in epoxy, polyurethane, and silicone-based systems, significantly improving bond strength to glass, metals, and minerals.
• Reinforced Composite Materials: Used as a coupling agent for fiberglass, mineral fillers, and other reinforcements in thermoset and thermoplastic composites to enhance interfacial bonding and mechanical properties.
• Protective & Functional Coatings: Incorporated into primers and topcoats to improve coating adhesion to difficult substrates, corrosion resistance, and overall film integrity.
• Rubber Compounding: Enhances the filler-matrix interaction in silica-filled rubber compounds, leading to improved tensile strength, abrasion resistance, and reduced rolling resistance in tire applications.
• Mineral & Surface Treatment: Used to modify the surface of pigments, silica, and other minerals to improve their compatibility and dispersion in polymer matrices.
• Crosslinking Agent: Functions as a moisture-curable crosslinker in polymer systems, contributing to network formation and improved thermal and chemical stability.

Basic Information

Product Name	N,N'-Bis(Hydroxyethyl)-N,N'-Bis(Trimethoxysilylpropyl)Ethylenediamine
CAS No.	214362-07-9
Molecular Formula	C20H48N2O8Si2
Molecular Weight	500.8 g/mol
Synonyms	Bis(3-(trimethoxysilyl)propyl) N,N-bis(2-hydroxyethyl)ethylenediamine; N,N-Bis(2-hydroxyethyl)-N'-[3-(trimethoxysilyl)propyl]ethylenediamine derivative; Ethylenediamine, N,N-bis(2-hydroxyethyl)-N',N'-bis[3-(trimethoxysilyl)propyl]-; Amino-functional silane coupling agent; Silquest A-1120 (common trade name reference); Amino silane; Multifunctional aminosilane; Adhesion promoter 214362-07-9
EINECS	Contact for details

Quality Control

Our production of N,N'-Bis(Hydroxyethyl)-N,N'-Bis(Trimethoxysilylpropyl)Ethylenediamine adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) detailing all critical specifications are provided and available upon request. Our quality system is designed to support customer requirements in industries where material performance and supply chain traceability are paramount.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C / 59-77°F). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and hydrolysis. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Refractive Index (n20/D)	1.450 - 1.460
Density (g/mL, 25°C)	1.05 - 1.10
Water Content (KF)	≤ 0.5%

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