Hexachloroplatinate

The hexachloroplatinate dianion

The hexachloroplatinate anion has the chemical formula [PtCl₆]²⁻, containing platinum and chloride ions. Compounds with the hexachloroplatinate anion are not very soluble.

Chemical compounds containing the hexachloroplatinate anion include:

• Chloroplatinic acid (or dihydrogen hexachloroplatinate), H₂PtCl₆
• Ammonium hexachloroplatinate, (NH₃)₂PtCl₆
• Potassium hexachloroplatinate, K₂PtCl₆
• Sodium hexachloroplatinate, Na₂PtCl₆

Related compounds/anions

• The unstable hexachloropalladic acid (H₂PdCl₆)
• Hexachloropalladate (PdCl₆²⁻)
• Hexafluoroplatinate (PtF₆⁻)