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Chemical database: Hydrochloric acid

chemistry tutorials - hydrochloric acid

Chemical formula HCl
Molar mass 36.46 g mol -1
Density 1.10 g cm -3 (w = 20 %)
Melting point - 62.2 °C (w = 20 %)
Boiling point 108.6 °C (w = 20 %)
Solubility 72 g in 100 mL H2O (20 °C)
CAS number 7647-01-0
Hazards chemistry tutorials - hydrochloric acid - additional data: (R:34-37)(S:26-45)

Hydrochloric acid is a strong inorganic acid, with strong corrosive properties. Along with sulphuric acid, it is one of the most important inorganic acids in the industry. One of the primary uses of this acid is the production of vinyl chloride, which is used in PVC manufacturing. It also has many applications in smaller quantities: household cleaning, production of food additives, leather processing, synthesis of many substances, steel processing, etc.

Hydrochloric acid can usually be bought in supermarkets. Directly translated, in Croatia it can be found under the name „salt acid“, but in English speaking countries it can be found as „muriatic acid“. It comes in various concentrations (mostly around 19%). Solutions of higher concentrations can be ordered from drugstores/pharmacies, or companies that sell chemicals. The price starts around 1.5€ for a liter.


  Acetic acid
  Acetylsalicylic acid
  Ammonium nitrate
  Calcium carbide
  Calcium carbonate
  Calcium hydroxide
  Calcium oxide
  Hydrochloric acid
  Hydrogen peroxide
  Iron(III) oxide
  Lithium carbonate
  Methyl ethyl ketone
  Nitric acid
  Potassium carbonate
  Potassium chlorate
  Potassium chloride
  Potassium metabisulphite
  Potassium nitrate
  Potassium permanganate
  Sodium acetate
  Sodium benzoate
  Sodium bicarbonate
  Sodium bromide
  Sodium carbonate
  Sodium chloride
  Sodium hydroxide
  Sodium hypochlorite
  Sulphuric acid
  Trichloroisocyanuric acid