Hydro Chloric Acid
Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride with the chemical formula HCl(aq). It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans. Hydrochloric acid is an important laboratory reagent and industrial chemical.
Application
Hydrochloric acid is the second only to sulphuric acid in its numerous and diverse uses in manufacturing industry and synthetic chemistry including brine treatment for chloralkali, steel pickling, food, calcium chloride, oil well acidulation, chlorine, swimming pools, metal recovery , pH control, sludge removal, sand and clay purification, production sodium chlorate, metal chlorides, activated carbon andiron oxide pigments, polycarbonate resins, bisphenol-A, polyvinyl chloride resins and synthetic glycerine.
| Chemical formula | HCl(aq) |
|---|---|
| appearance | Colorless, transparent liquid, fumes in air if concentrated |
| Odor | Pungent characteristic |
| Melting Point | Concentration-dependent – see table |
| Boiling Point | Concentration-dependent – see table |
| log P | 0.00 |
| Acidity (pKa) | −5.9 (HCl gas) |
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