Allylpalladium(II) chloride dimer, or bis(allyl)di-μ-chloro-dipalladium(II), is a chemical compound with the formula (η3- C3H5)2Pd2Cl2. This yellow air-stable compound is an important catalyst used in organic synthesis. Tatsuno, Y.; Yoshida, T.; Otsuka, S. "(η3-allyl)palladium(II) Complexes" Inorganic Syntheses, 1990, volume 28, pages 342-345.