Despite its many advantages, mCPBA also has some limitations: 1. Reactivity: mCPBA is a strong oxidizing agent and can pose safety hazards if not handled properly. It can cause burns and is potentially explosive under certain conditions. 2. Stability: mCPBA is somewhat unstable and can decompose over time, especially if exposed to moisture or high temperatures. 3. Cost: The synthesis and purification of mCPBA can be relatively expensive, which may limit its use in large-scale industrial applications.