Characteristic

Palladium(II) oxide is the inorganic compound of formula PdO. It is the only well characterised oxide of palladium.

Chemical formula：PdO

Molar mass： 122.42 g/mol

Appearance： greenish-black powder

Density： 8.3 g/cm³

Melting point： 750 °C (1,380 °F; 1,020 K) decomposes

Solubility in water：insoluble

Solubility： insoluble in acid

slightly soluble in aqua regia

Application

Materials called palladium oxide are useful catalysts for catalytic hydrogenation in organic synthesis.