Tetrakis(triphenylphosphine)palladium(0), min. 98 %, Molar mass (M) 1155,58 g/mol, Density (D) 1,36 g/cm³, Storage temp. +4 °C, CAS No. [14221-01-3], EG-Nr. 238-086-9, Empirical formula Pd(P(C6H5)3)4