Description

2-Trimethylsilylethyl 2-Methylprop-2-enoate is a specialized organosilicon monomer featuring a silyl-protected ester group. This compound is valued for its role as a versatile building block in advanced polymer synthesis, enabling the introduction of functional, hydrolytically cleavable side chains. It is primarily sought by R&D and production teams in the pharmaceutical, specialty polymer, and advanced materials sectors for creating tailored macromolecular architectures.

Application

• Controlled Polymerization Monomer: A key reagent in the synthesis of polymers via techniques like ATRP (Atom Transfer Radical Polymerization) and RAFT (Reversible Addition-Fragmentation Chain-Transfer), where its silyl group acts as a protecting moiety.
• Functional Material Synthesis: Used to incorporate hydrolyzable ester linkages into silicone-based copolymers, coatings, and elastomers for controlled degradation or property modulation.
• Pharmaceutical Intermediates: Serves as a protected intermediate in the multi-step synthesis of complex drug molecules, particularly where acid-labile or silyl-based protecting group strategies are employed.
• Surface Modification Agent: Applied in the functionalization of silica nanoparticles and other inorganic surfaces to introduce polymerizable methacrylate groups.
• Crosslinking Agent Precursor: Utilized in the development of crosslinkable resin systems for dental materials, adhesives, and photoresists.

Basic Information

Item	Details
Product Name	2-Trimethylsilylethyl 2-Methylprop-2-enoate
CAS No.	95049-21-1
Molecular Formula	C9H18O2Si
Molecular Weight	186.33 g/mol
Synonyms	2-(Trimethylsilyl)ethyl methacrylate; Methacrylic acid 2-(trimethylsilyl)ethyl ester; 2-Trimethylsilylethyl methacrylate; TMS-EMA; 2-Methyl-2-propenoic acid 2-(trimethylsilyl)ethyl ester; γ-Methacryloxypropyltrimethylsilane (related compound); TMSEM; 95049-21-1
EINECS	Contact for details

Quality Control

Our production of 2-Trimethylsilylethyl 2-Methylprop-2-enoate adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed via GC, HPLC, and NMR to confirm identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific tests is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 2-8°C or as specified on the label. Due to its moisture-sensitive (hygroscopic) nature, containers should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and maintain product integrity. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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