[{"from": "human", "value": "Could you give me a brief overview of this molecule? [Cl-1].[K+1]"}, {"from": "gpt", "value": "A white crystal or crystalline powder used as an electrolyte replenisher, in the treatment of hypokalemia, in buffer solutions, and in fertilizers and explosives.  The FDA withdrew its approval for the use of all solid oral dosage form drug products containing potassium chloride that supply 100 mg or more of potassium per dosage unit, except for controlled-release dosage forms and those products formulated for preparation of solution prior to ingestion."}]