Is 1-Phenyl-1,3-butanedione (CAS: 93-91-4) safe?

1-Phenyl-1,3-butanedione is generally considered safe for use in food and cosmetics when used in accordance with regulatory guidelines. However, it is important to handle it with care due to its potential skin and eye irritation. Exposure should be minimized, and appropriate personal protective equipment (PPE) should be worn. It is classified as a skin sensitizer and should be stored away from sources of ignition and heat.