The molar mass of hydrochloric acid is 36.46 grams per mole. The compound has a chemical formula of HCl and is a clear, colorless acidic solution. The compound is highly corrosive and has many uses in chemistry and industry. It is also found in the human body as gastric acid.
Hydrochloric acid was first described in the 16th century by Andreas Libavius. Major production of the acid began during the Industrial Revolution. The compound has been used as a chemical reagent in large-scale production of vinyl chloride for PVS plastic and polyurethane. The acid also can be used on a small scale for household cleaning.