Is Bis(2-methyl-2-propanyl)(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-2-biphenylyl)phosphine (CAS: 857356-94-6) safe?

Bis(2-methyl-2-propanyl)(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-2-biphenylyl)phosphine is generally safe when used under proper laboratory conditions and with appropriate handling. However, it is flammable and may cause skin and eye irritation. It is important to use appropriate personal protective equipment, such as gloves and safety goggles, and to avoid inhalation of vapors. Storage and handling should be performed in a well-ventilated area away from heat sources and ignition hazards.