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Hydrogen chloride (HCl) is a gas. It has distinct properties than its aqueous solution, hydrochloric acid, and unique applications in chemistry. We show that several drugs cannot form chlorid salts with hydrochloric acid but they can when HCl is used. Therefore, it is important to clarify the terminology to distinguish HCl from hydrochloric acid.
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This page is a summary of: Confused HCl: Hydrogen Chloride or Hydrochloric Acid?, Chemistry - A European Journal, April 2012, Wiley, DOI: 10.1002/chem.201103669.
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