Description

2-Hydroxy-3-[3-(Trimethoxysilyl)Propoxy]Propyl Methacrylate is a bifunctional organosilane monomer that combines a polymerizable methacrylate group with a hydrolyzable trimethoxysilyl group. This dual functionality is critical for creating durable covalent bonds between organic polymers and inorganic substrates like glass, metals, and minerals. It is essential for formulators and manufacturers seeking to enhance adhesion, crosslinking density, and surface modification in advanced composite materials. Key industries that rely on this specialty silane include coatings, adhesives, sealants, and advanced resin composites.

Application

• Adhesion Promoter: Primarily used in coatings, inks, and adhesives to dramatically improve bond strength between organic polymers and inorganic surfaces such as glass, metals, and fillers.
• Crosslinking Agent: Enhances the thermal stability, chemical resistance, and mechanical properties of acrylic and methacrylic resin systems through silane-based crosslinking networks.
• Surface Modification: Imparts specific surface properties like hydrophobicity, improved wettability, or corrosion resistance to glass fibers, minerals, and metal oxides.
• Dental & Medical Composites: A key component in restorative dental composites and bone cements, where strong bonding to tooth enamel or bone is required.
• Fiberglass Reinforcements: Acts as a critical coupling agent in fiberglass-reinforced plastics (FRP) and composites, ensuring optimal stress transfer from the polymer matrix to the glass fibers.
• Silane-modified Polymers (SMPs/MS Polymers): Serves as a fundamental building block in the synthesis of moisture-curable sealants and adhesives known for their durability and flexibility.
• Optical & Electronic Materials: Used in the formulation of high-refractive-index optical resins, LED encapsulants, and protective coatings for electronic components.

Basic Information

Product Name	2-Hydroxy-3-[3-(Trimethoxysilyl)Propoxy]Propyl Methacrylate
CAS No.	59214-63-0
Molecular Formula	C14H28O7Si
Molecular Weight	336.46 g/mol
Synonyms	3-(Trimethoxysilyl)propyl methacrylate hydroxypropyl ether; γ-Methacryloxypropyl trimethoxysilane hydroxypropyl ether; 2-Hydroxy-3-(3-trimethoxysilylpropoxy)propyl methacrylate; Silane A-174 GLYMO; GLYMO-MA; Hydroxypropyl methacrylate trimethoxysilane; Methacryloxypropyltrimethoxysilane hydroxypropyl adduct; 3-Methacryloxy-2-hydroxypropoxypropyltrimethoxysilane
EINECS	261-668-5

Quality Control

Our production of 2-Hydroxy-3-[3-(Trimethoxysilyl)Propoxy]Propyl Methacrylate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including assay by GC or HPLC, verification of silane and methacrylate functionality, and control of key impurities and moisture content. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. Our quality management system supports compliance with relevant global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is hygroscopic (moisture-sensitive) and light-sensitive. Containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and polymerization. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.445 - 1.455
Density (20°C)	1.06 - 1.10 g/cm³

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