Description

2-Propenoic Acid, (Triethoxysilyl)Methyl Ester is a specialized organosilane acrylate monomer that serves as a critical coupling agent and adhesion promoter. Its unique molecular structure, featuring both a polymerizable acrylate group and hydrolyzable ethoxysilyl groups, enables it to form durable bonds between organic polymers and inorganic substrates. This bifunctional silane is essential for industries requiring enhanced material compatibility, surface modification, and long-term durability in composite systems.

Application

• Adhesion Promoter in Coatings and Sealants: Significantly improves the adhesion of acrylic, polyurethane, and epoxy-based coatings, paints, and sealants to glass, metal, and mineral surfaces.
• Surface Modification Agent: Used to functionalize silica, glass fibers, and other inorganic fillers to improve their compatibility and dispersion within plastic and rubber matrices.
• Crosslinking Agent for Silicone-Acrylate Hybrids: A key monomer in the synthesis of hybrid organic-inorganic polymers (ORMOSILs) for advanced coatings, lenses, and optical materials.
• Dental and Biomedical Composites: Employed in restorative dental materials and bone cements to enhance bonding between resin and filler particles.
• Fiberglass and Composite Manufacturing: Acts as a sizing or coupling agent on glass fibers to strengthen the interface in fiber-reinforced plastics (FRP).
• Waterproofing and Stone Consolidation: Used in formulations for protecting and strengthening porous building materials like concrete, sandstone, and limestone.

Basic Information

Product Name	2-Propenoic Acid, (Triethoxysilyl)Methyl Ester
CAS No.	78884-71-6
Molecular Formula	C11H22O5Si
Molecular Weight	262.38 g/mol
Synonyms	3-(Triethoxysilyl)propyl methacrylate; γ-Methacryloxypropyltriethoxysilane; MEMO; MPTES; Silane A-174; 3-(Trimethoxysilyl)propyl methacrylate (common misnomer, note methoxy vs. ethoxy); γ-MPS; Union Carbide A-174
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid, (Triethoxysilyl)Methyl Ester adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including GC, FTIR, and titration methods, to ensure consistent purity, reactivity, and performance. Certificates of Analysis (COA) detailing assay, impurity profile, and physical properties are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and polymerization.

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.