Description

1,11-Bis(Trimethoxysilyl)-4-Oxa-8-Azaundecan-6-Ol,50% In Methanol is a specialized organosilane coupling agent containing both alkoxysilane and amino alcohol functional groups in a single molecule. This unique bifunctional structure provides exceptional adhesion promotion and surface modification capabilities for demanding industrial applications. It is primarily used by formulators and manufacturers in the coatings, adhesives, and advanced composites industries to enhance the bonding between organic polymers and inorganic substrates like glass, metals, and minerals.

Application

• Adhesion Promoter for Coatings: Significantly improves the wet and dry adhesion of epoxy, polyurethane, and acrylic coatings on glass, aluminum, and galvanized steel.
• Fiberglass and Mineral Filler Treatment: Acts as a superior coupling agent for glass fibers, silica, and other mineral fillers in reinforced plastic composites (e.g., SMC, BMC), enhancing mechanical strength and moisture resistance.
• Primer Formulation: A key ingredient in anti-corrosion and wash primers for automotive and aerospace applications, providing excellent substrate wetting and long-term durability.
• Sealant and Adhesive Modification: Enhances the flexibility, adhesion, and water resistance of silicone, polyurethane, and MS polymer-based sealants and structural adhesives.
• Surface Modification of Nanoparticles: Used to functionalize silica, titania, and other metal oxide nanoparticles for improved dispersion and compatibility in polymer matrices and sol-gel systems.
• Waterborne System Compatibilizer: Improves the performance of water-based coatings and adhesives on difficult substrates by promoting interfacial bonding.

Basic Information

Product Name	1,11-Bis(Trimethoxysilyl)-4-Oxa-8-Azaundecan-6-Ol,50% In Methanol
CAS No.	126552-46-3
Molecular Formula	C15H37NO8Si2 (solute)
Molecular Weight	439.63 g/mol (solute)
Synonyms	N-(3-(Trimethoxysilyl)propyl)-N'-(3-((3-(trimethoxysilyl)propyl)amino)-2-hydroxypropyl)ethylenediamine; Amino-functional bis-silane; Bis(trimethoxysilylpropyl)amino silane; Amino alkoxy silane coupling agent; 3-[2-[3-(Trimethoxysilyl)propylamino]ethylamino]propyltrimethoxysilane derivative; A-1120 derivative; Aminoethylaminopropyltrimethoxysilane dimer
EINECS	Contact for details

Quality Control

Our production of 1,11-Bis(Trimethoxysilyl)-4-Oxa-8-Azaundecan-6-Ol,50% In Methanol adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and shelf-life stability. Certificates of Analysis (COA) detailing assay, solvent content, and key physical properties are provided with each shipment and are 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/59-77°F). Due to its hygroscopic and highly volatile nature, keep the container tightly sealed when not in use and away from heat, sparks, and open flame. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Assay (Active Silane)	48.0 - 52.0 % (w/w) in Methanol
Identification (IR)	Conforms
Methanol Content	Balance
Specific Gravity (20°C)	0.95 - 1.05
Refractive Index (n20D)	1.410 - 1.430

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