Is Tetrabutylphosphonium chloride (CAS: 2304-30-5) safe?

Tetrabutylphosphonium chloride is generally considered low toxicity when handled properly, but it should still be treated with care. Safety precautions include avoiding skin contact, inhalation, and eye exposure. It is not classified as a carcinogen or mutagen, but occupational exposure should be minimized using appropriate protective equipment. Always refer to the safety data sheet (SDS) for detailed handling guidelines and regulatory compliance.