Platinum(II) chloride is one of the most common platinum halides and is utilized in a variety of fields, such as catalysis, organic synthesis, and materials science. This chemical compound, also known as platinum dichloride or platinum chloride, has the formula PtCl2. Platinum(II) chloride is a dark brown to black crystalline solid. The compound can be made by combining platinum metal and chlorine gas. It is highly water-soluble and can exist in both hydrated and anhydrous states.