Description

Methacryloxymethyltrimethylsilane is a bifunctional organosilicon monomer featuring both a methacrylate group and a hydrolyzable trimethylsilyl group. This unique structure makes it a critical coupling agent and adhesion promoter, bridging organic polymers with inorganic substrates. It is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance durability, weather resistance, and interfacial bonding. The compound is supplied under strict quality control to ensure batch-to-batch consistency for demanding industrial applications.

Application

• Surface Modification Agent: Used to treat glass, silica, and metal oxides to improve the adhesion of polymer resins and coatings.
• Crosslinking Monomer: Incorporated into acrylic and methacrylic polymer systems to introduce reactive silane functionality for enhanced crosslinking and network formation.
• Adhesion Promoter: A key component in primers and adhesive formulations for bonding to difficult substrates like metals, glass, and minerals.
• Silicone Hybrid Resins: Serves as a building block in the synthesis of silicone-modified acrylic resins for high-performance, weatherable coatings.
• Fiber Treatment: Applied to glass or carbon fibers to improve compatibility and interfacial shear strength in composite materials.
• Dental & Medical Materials: Utilized in silane coupling agents for dental composites and bone cements to bond filler particles to the organic matrix.
• Waterproofing Agents: Formulated into sealants and waterproofing treatments for construction materials.
• Release Coatings: Used in the production of silicone-modified release liners and papers.

Basic Information

Product Name	Methacryloxymethyltrimethylsilane
CAS No.	18269-97-1
Molecular Formula	C8H16O2Si
Molecular Weight	172.30 g/mol
Synonyms	3-(Methacryloyloxy)propyltrimethoxysilane (common mis-assignment, verify structure); (3-Methacryloxypropyl)trimethoxysilane (common related compound); Methacryloxypropyltrimethoxysilane; MPTMS; Trimethoxy(3-(methacryloyloxy)propyl)silane; Silane A-174; γ-Methacryloxypropyltrimethoxysilane; MEMO; Dynasylan MEMO
EINECS	Contact for details

Quality Control

Our Methacryloxymethyltrimethylsilane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing including assay by GC or HPLC, identity confirmation by FT-IR, and control of key impurities to ensure it meets the high standards required for industrial synthesis. Certificates of Analysis (COA) documenting purity, physical properties, and stability are provided with every shipment. We support compliance with relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C/59-77°F). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (nitrogen or argon) in the headspace of the container is recommended. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.428 - 1.432
Density (20°C)	0.945 - 0.955 g/mL
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%

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