[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule appears as a white-colored crystalline solid. Denser than water. Contact may severely irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. Used to make other chemicals."}, {"from": "gpt", "value": "[OH1-1].[K+1].[K+1]"}]