Palladium chloride, also known as palladium dichloride, palladium chloride and anhydrous chloride, is a reddish brown crystalline powder, which is easily soluble in dilute hydrochloric acid, water, ethanol, acetone and hydrobromic acid, and is easy to deliquesce in the air. Its purpose is to prepare special catalysts and molecular sieves; Preparation of non-conductive material coating; Make gas sensors, analytical reagents, etc.