Description

Methacryloxymethylphenethyltris(Trimethylsiloxy)Silane, Mixed Isomers is a highly functionalized organosilicon monomer designed for advanced material synthesis. This compound is valued for its unique combination of a polymerizable methacrylate group and hydrolyzable siloxy functionalities, enabling covalent bonding to both organic polymers and inorganic substrates. It is primarily sought by formulators and researchers in the silicone hybrid materials, advanced coatings, and specialty adhesives sectors to enhance compatibility, adhesion, and surface properties.

Application

• Silicone Hybrid Polymers: A key monomer for synthesizing silicone-modified acrylic resins, improving flexibility and weatherability.
• Adhesion Promoters: Functions as a coupling agent in primers and adhesive formulations to boost bond strength between organic materials and glass, metals, or minerals.
• Surface Modification: Used to create reactive, functional coatings on nanoparticles (e.g., silica, titania) for composite materials.
• Release Coatings: A building block for cross-linked silicone release liners with tailored surface energy.
• Optical & Electronic Encapsulants: Imparts improved moisture resistance and mechanical properties to protective gels and resins for sensitive components.
• Dental & Biomedical Materials: Employed in the development of silicone-based biomaterials requiring specific surface functionality and biocompatibility.

Basic Information

Product Name	Methacryloxymethylphenethyltris(Trimethylsiloxy)Silane, Mixed Isomers
CAS No.	108587-59-3
Molecular Formula	C24H46O5Si4
Molecular Weight	~ 535.0 g/mol
Synonyms	3-[Tris(trimethylsiloxy)silyl]propyl 2-Methyl-2-propenoate, Phenethyl Derivative; Methacryloxypropyltris(trimethylsiloxy)silane, Phenethyl-substituted; Silane, [3-(methacryloyloxy)propyl]tris(trimethylsiloxy)-, phenethyl derivative; Tris(trimethylsiloxy)(3-methacryloxypropyl)silane phenethyl isomer; MPTTMS-Phenethyl; A silane coupling agent with methacrylate and phenethyl groups.
EINECS	Contact for details

Quality Control

Our production of Methacryloxymethylphenethyltris(Trimethylsiloxy)Silane, Mixed Isomers adheres to stringent internal quality protocols. Every batch is characterized using advanced analytical techniques to ensure consistent purity, functionality, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, isomer distribution, and impurity profiles is provided with each shipment to support your quality assurance and R&D processes.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Isomer Distribution	By GC/MS
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.440
Density (g/mL, 20°C)	0.95 - 1.00

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