Description

3-(Triethoxysilyl)Propyl Methacrylate is a bifunctional organosilane monomer that combines a polymerizable methacrylate group with a hydrolysable triethoxysilyl group. This unique structure makes it a critical coupling agent and adhesion promoter, enabling strong bonds between inorganic substrates and organic polymer matrices. It is essential for manufacturers in the coatings, adhesives, sealants, and advanced composites industries seeking to enhance material durability, weather resistance, and mechanical performance.

Application

• Adhesion Promoter in Coatings: Improves the adhesion of acrylic, epoxy, and polyurethane coatings to glass, metals, and mineral surfaces.
• Surface Modification of Fillers: Used to treat silica, glass fibers, and other mineral fillers to improve compatibility and dispersion in polymer composites.
• Crosslinking Agent for Silicones: Serves as a crosslinker in moisture-curable silicone sealants and RTV (Room Temperature Vulcanizing) rubbers.
• Dental & Medical Composites: Acts as a key silane coupling agent in dental restorative materials and bone cements to bond resin to ceramic or glass fillers.
• Fiberglass Sizing: A critical component in sizing formulations for fiberglass reinforcements used in plastics and composites.
• Printable Electronics & Inks: Enhances the adhesion and performance of conductive inks and coatings on glass or ceramic substrates.
• Hybrid Material Synthesis: Used in sol-gel processes to create organic-inorganic hybrid (OIH) materials with tailored properties.

Basic Information

Product Name	3-(Triethoxysilyl)Propyl Methacrylate
CAS No.	21142-29-0
Molecular Formula	C13H26O5Si
Molecular Weight	290.43 g/mol
Synonyms	3-(Trimethoxysilyl)propyl methacrylate (common variant); γ-Methacryloxypropyltriethoxysilane; MEMO; MPTES; Silane A-174; Dynasylan MEMO; Z-6030; 3-(Triethoxysilyl)-1-propanol methacrylate
EINECS	244-242-1

Quality Control

Our production of 3-(Triethoxysilyl)Propyl Methacrylate adheres to stringent quality management protocols. Every batch is analyzed to ensure high purity and consistency, meeting the demands of advanced industrial 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 specifications.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent contact with atmospheric moisture. Keep away from heat and sources of ignition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.428 - 1.432
Density (g/mL, 25°C)	1.040 - 1.050
Color (APHA)	≤ 50

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