Description

Trimethoxy-[3-(2-Methoxyethoxy)Propyl]Silane is a bifunctional organosilane coupling agent featuring both alkoxysilane and polyether groups. This unique molecular structure is critical for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is primarily utilized in industries requiring durable surface modification and robust interfacial bonding. Key sectors include advanced coatings, adhesives, sealants, and composite materials manufacturing.

Application

• Adhesion Promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives for metals, glass, and minerals.
• Surface Modifier for silica, glass fibers, and other inorganic fillers to improve dispersion and bonding in polymer composites.
• Crosslinking Agent in moisture-curable silicone polymers and hybrid organic-inorganic systems.
• Primer Component for automotive and aerospace coatings to ensure long-term durability and corrosion resistance.
• Coupling Agent in mineral-filled plastics and elastomers to enhance mechanical properties and reduce moisture sensitivity.
• Intermediate for the synthesis of more complex silane derivatives and specialty polymers.

Basic Information

Product Name	Trimethoxy-[3-(2-Methoxyethoxy)Propyl]Silane
CAS No.	65994-07-2
Molecular Formula	C11H26O6Si
Molecular Weight	282.41 g/mol
Synonyms	3-(2-Methoxyethoxy)propyltrimethoxysilane; (3-(2-Methoxyethoxy)propyl)trimethoxysilane; Silane, trimethoxy[3-(2-methoxyethoxy)propyl]-; MEMO; Dynasylan® 4144; GF-81; KH-263; A-163
EINECS	266-163-3

Quality Control

Our production of Trimethoxy-[3-(2-Methoxyethoxy)Propyl]Silane adheres to stringent quality management protocols. Every batch is analyzed to ensure consistency and meets high-purity specifications typical for coupling agent applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with each shipment to guarantee traceability and compliance with your formulation 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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.428 - 1.432
Density (20°C)	1.020 - 1.040 g/cm³
Water Content (Karl Fischer)	≤ 0.5%

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