Palladium (Pd)

Palladium has the lowest density, the lowest melting point and the highest reactivity of all platinum group elements. The vast majority of palladium is used in exhaust emission catalytic converters and diesel particulate filters for the automotive industry.

Compound CAS Number Formula Metal Contain. approx. Color
Palladium(II) acetate 3375-31-3 Pd(OAc)2 47 % yellowish brown
Palladium(II) chloride 7647-10-1 PdCl2 60 % brown
Palladium(II) nitrate hydrate 10102-05-3 Pd(NO3)2 · n H2O 41 % yellowish brown
Palladium(II) nitrate solution 10102-05-3 Pd(NO3)2 up to 17 % yellowish brown
Palladium(II) sulfate solution 13566-03-5 PdSO4 up to 12 % brown
Tetraamminepalladium(II) chloride “TPC Pd” 13815-17-3 [Pd(NH3)4]Cl2 42 % yellow
Tetraamminepalladium(II) chloride solution “TPC Pd” 13815-17-3 [Pd(NH3)4]Cl2 up to 10 % yellow
Tetraamminepalladium(II) hydrogencarbonate “TPHC Pd” 134620-00-1 [Pd(NH3)4](HCO3)2 35 % cream
Tetraamminepalladium(II) hydroxide solution “TPH Pd” 68413-68-3 [Pd(NH3)4](OH)2 35 % yellowish
Tetraamminepalladium(II) nitrate “TPN Pd” 13601-08-6 [Pd(NH3)4](NO3)2 35 % pale yellow
Tetraamminepalladium(II) nitrate solution “TPN Pd” 13601-08-6 [Pd(NH3)4](NO3)2 up to 6 % light brown
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