Is Tetrabutylphosphonium bromide (CAS: 3115-68-2) safe?

Tetrabutylphosphonium bromide is generally considered safe when handled properly, but it may cause skin or eye irritation. Safety standards recommend using appropriate protective equipment, such as gloves and goggles, during handling. While not classified as highly toxic by major regulatory bodies, it should be stored and used in well-ventilated areas to minimize exposure risks. Always follow established safety protocols for chemical work.