Chemical name:

Hydrochloric acid


chloralkali, raw materials and intermediates

Markets and applications:

agrochemicals, chemicals in animal husbandry, fuel industry, I&I cleaning, lubricants and functional fluids, industrial lubricants, metalworking fluids, metallurgical industry, metal cleaning, mining & drilling, metal mining, power industry, raw materials and intermediates, tanning industry, water & wastewater treatment, antiscalants, scale & corrosion inhibitors


cleansing agents, descaling agents, metal working fluids, pH regulators, raw materials & intermediates


non-organic acids


PCC Rokita SA Chlorine Business Unit

CAS No.:



Purified hydrochloric acid is an aqueous solution of hydrogen chloride gas. It is a strongly corrosive liquid with a sharp, irritating odour and colour from colourless to light yellow. This product is delivered to the market in the form of liquid with a concentration of min. 28%. Purified hydrochloric acid is formed in the process of burning chlorine-containing waste.

Purified hydrochloric acid 28%, like technical grade hydrochloric acid, is used mainly in industries less demanding in terms of quality. These include the production of agrochemicals, the regeneration of ion exchangers in the power industry, the regulation of the pH of water in industrial water treatment processes, as well as the production of industrial chemistry. Purified hydrochloric acid is also used in the production of descaling and disinfecting agents (household chemicals).

In the mining industry, it is used for extraction of ores, in the production of biofuels, oils and lubricants as well as in refining processes. In metalworking, hydrochloric acid is used for pickling steel, aluminium, titanium and magnesium, while in galvanizing processes – for cleaning metal surfaces.

Hydrochloric acid can be used as a degreasing agent on the leather surfaces in tanning, while in the textile industry it is used as a neutralizer of alkaline residues in the process of direct cleaning of cotton before bleaching.

In addition, it is used in the construction industry, in the production of chemicals in animal husbandry, in industrial cleaning and washing. It is also used in the production of lubricants and functional fluids, calcium chloride, magnesium chloride, ferric chloride or epichlorohydrin. Hydrochloric acid combined with nitric acid creates Aqua regia ("royal water") – the strongest acid.

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Properties and applications:

  • in power engineering for the regeneration of ion exchangers
  • in industrial water treatment processes for pH regulation
  • production of agrochemicals
  • production of chemicals in animal husbandry
  • for the production of industrial chemistry
  • production of household chemistry
  • a component of descaling and disinfecting agents
  • in the mining industry
  • in galvanizing processes
  • in the production of lubricants and functional fluids
  • in the production of biofuels, oils and lubricants
  • degreasing of skins in tanning
  • in the cotton cleaning process (textile)
  • in the construction industry

Alternative names:

Show alternative names
HCl; Hydrochloric acid technical grade; Aqueous hydrogen chloride; Chloride of hydrogen solution; Chloride, Hydrogen; Hydrochloride; Hydrogen Chloride; (Hide)


hydrochloric acid HCl water solution of hydrogen chloride
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