Compound Overview

This compound is a functionalized methacrylate ester, incorporating a bicyclic oxathiolane moiety. Key chemical properties include:

• Molecular Structure: The molecule consists of a methacrylate backbone, providing polymerizable unsaturation, and a hexahydro-oxathiol substituent, which imparts rigidity and electron-rich heterocyclic functionality.
• Reactivity: The vinyl group (propenoate functionality) allows for free-radical polymerization, enabling incorporation into polymeric resists or coatings. The oxathiolane moiety offers thermal and chemical stability under semiconductor processing conditions.
• Solubility: limited solubility in water but good solubility in organic solvents.
• Thermal Stability: The bicyclic oxathiolane confers elevated thermal stability, making it suitable for high-temperature photolithography processes.
• Safety Considerations: Handling requires standard precautions for reactive methacrylates, including avoidance of prolonged skin contact and inhalation of vapors, and storage under inert conditions to prevent premature polymerization.

Industrial Applications

This compound is primarily utilized in the semiconductor and photoresist industry due to its unique combination of polymerizable and structurally rigid moieties. Key applications include:

1. Photoresist Monomers:
   • The vinyl group enables incorporation into polymer matrices used for advanced photoresists.
   • Its bicyclic oxathiolane structure provides high etch resistance and dimensional stability, critical for next-generation lithography (ArF/DUV).
2. Electronic Chemicals:
   • Serves as a specialty monomer in formulations for electronic-grade coatings.
   • Enhances mechanical and thermal properties of polymers, allowing them to withstand semiconductor fabrication processes.
3. Polymer Engineering:
   • Enables the design of high-performance copolymers with tailored solubility and etch resistance.
   • Useful in creating resist layers with precise pattern fidelity at nanoscale resolution.

Summary

2-Propenoic acid, 2-methyl-, 2-[(hexahydro-2,2-dioxido-3,5-methanocyclopent[d]-1,2-oxathiol-6-yl)oxy]-2-oxoethyl ester (CAS 1135824-87-1) is a high-performance methacrylate derivative used primarily in the photoresist and semiconductor industry. Its combination of polymerizable functionality, thermal stability, and rigid bicyclic heterocycle makes it an ideal monomer for advanced electronic materials where precision, etch resistance, and thermal durability are essential.