Log in Sign Up. Save Word. Definition of hydrochloric acid. Examples of hydrochloric acid in a Sentence Recent Examples on the Web As part of the process to capture HFC, about 1, pounds a year of chloroform, hydrochloric acid , chlorine and hydrogen fluoride, all hazardous air pollutants, could be emitted into neighborhoods around its Louisville facility.
First Known Use of hydrochloric acid , in the meaning defined above. History and Etymology for hydrochloric acid International Scientific Vocabulary. Learn More About hydrochloric acid. Share hydrochloric acid Post the Definition of hydrochloric acid to Facebook Share the Definition of hydrochloric acid on Twitter.
Time Traveler for hydrochloric acid The first known use of hydrochloric acid was in See more words from the same year. Style: MLA. Kids Definition of hydrochloric acid. Medical Definition of hydrochloric acid. Get Word of the Day daily email!
Test Your Vocabulary. Test your vocabulary with our question quiz! A daily challenge for crossword fanatics. CAS Number. PubChem CID. Chemical formula. ATC code. Signal word. Hazard statements. Precautionary statements. Hydrofluoric acid Hydrobromic acid Hydroiodic acid. Chemical compound. Main article: Hydrogen chloride. Archived from the original on 15 October Retrieved 16 September Retrieved 29 May Cambridge: The Royal Society of Chemistry.
The Journal of Physical Chemistry A. Bibcode : JPCA.. PMID Chemistry of the Elements 2nd ed. ISBN Hydrochloric Acid. VIII 6 : — OCLC German translation of the same passage in Ruska, Julius Quellen und Studien zur Geschichte der Naturwissenschaften und der Medizin.
Berlin: Springer. CreateSpace Independent Publishing Platform. The Origins of Chemistry. London: Oldbourne. Chicago: University of Chicago Press. PPG Industries. Archived from the original PDF on 2 July Retrieved 10 September From page 9: " S2CID Chemicals Economics Handbook. SRI International. A History of the International Chemical Industry. Philadelphia: University of Pennsylvania Press.
Geoffrey General chemistry: principles and modern applications. Prentice Hall. CiteSeerX ISSN Journal of Chemical Education. Bibcode : JChEd.. Gmelins Handbuch der Anorganischen Chemie. Chemie Berlin. Chemie Weinheim. CRC Press. Perry's Chemical Engineers' Handbook 6th ed. McGraw-Hill Book Company.
Aspen Technology. Vogel's Quantitative Chemical Analysis 6th ed. New York: Prentice Hall. The Daily Telegraph. Archived from the original on 23 February Retrieved 31 March Human Biology and Health. Textbook of Medical Physiology 10th ed. Saunders Company. Colorado State University. Retrieved 16 March Retrieved 16 December International Narcotics Control Board.
January Archived from the original PDF on Listen to this article 20 minutes. This audio file was created from a revision of this article dated 23 April , and does not reflect subsequent edits. Digestives, including enzymes A Diastase Pancreatin Pancrelipase Pepsin. Citric acid Hydrochloric acid. Salts and covalent derivatives of the chloride ion.
Blood substitutes and perfusion solutions B Serum albumin Dextran Gelatin agents Hemoglobin crosfumaril Hemoglobin raffimer Hydroxyethyl starch Erythrocytes Thrombocytes Blood plasma Stem cells from umbilical cord blood. Peritoneal dialysis solutions Potassium chloride Sodium bicarbonate Sodium chloride Ammonium chloride Magnesium sulfate Potassium phosphate Calcium chloride Sodium acetate Sodium phosphate Magnesium phosphate Magnesium chloride Zinc chloride Hydrochloric acid Sodium glycerophosphate Potassium lactate Cardioplegia solutions Potassium acetate Arginine Alanyl glutamine Lysine.
Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons. EC Number. E number. Acidity p K a. GHS labelling :. Danger . H , H , H . Hydrochloric acid data page. N verify what is Y N? Infobox references. Vapour pressure values are taken from the International Critical Tables and refer to the total vapour pressure of the solution.
H , H Wikimedia Commons has media related to Hydrochloric acid. NCl 3 ClN 3. AlCl AlCl 3. CaCl CaCl 2. FeCl 2 FeCl 3. CoCl 2 CoCl 3. CuCl CuCl 2. GeCl 2 GeCl 4. AsCl 3 AsCl 5. ZrCl 3 ZrCl 4. TcCl 3 TcCl 4. SnCl 2 SnCl 4. SbCl 3 SbCl 5. ICl ICl 3.
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|Be hcl||An early exception was the Bonnington Chemical Works where, inthe HCl began to be captured and the hydrochloric acid xiaomi deerma dx115 was used in making sal ammoniac ammonium chloride. Perry's Chemical Engineers' Handbook 6th ed. The stomach itself is protected from the strong acid by the secretion of a thick mucus layer, and by secretin induced buffering with sodium bicarbonate. In the United Kingdom, where it is sold as "Spirits of Salt" for domestic cleaning, the potency is the same as the US industrial grade. Retrieved 29 May Name That Thing Test your visual vocabulary.|
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Learn more. Ask Question. Asked 2 days ago. Modified 2 days ago. Viewed 42 times. Improve this question. New contributor. Add a comment. Sorted by: Reset to default. Highest score default Date modified newest first Date created oldest first. Improve this answer. Poutnik Poutnik Could you please give me a more easy explanation, sir? That is why we write it as NaCl. Be nice, and check out our Code of Conduct. Sign up or log in Sign up using Google. Sign up using Facebook.
Joseph Priestley of Leeds, England prepared pure hydrogen chloride in ,  and by Humphry Davy of Penzance, England had proved that the chemical composition included hydrogen and chlorine. Hydrogen chloride is produced by combining chlorine and hydrogen :. As the reaction is exothermic , the installation is called an HCl oven or HCl burner. The resulting hydrogen chloride gas is absorbed in deionized water , resulting in chemically pure hydrochloric acid.
This reaction can give a very pure product, e. The reaction can also be triggered by blue light. The industrial production of hydrogen chloride is often integrated with the formation of chlorinated and fluorinated organic compounds, e. Often this production of hydrochloric acid is integrated with captive use of it on-site. In the chemical reactions , hydrogen atoms on the hydrocarbon are replaced by chlorine atoms, whereupon the released hydrogen atom recombines with the spare atom from the chlorine molecule, forming hydrogen chloride.
Fluorination is a subsequent chlorine-replacement reaction, producing again hydrogen chloride:. The resulting hydrogen chloride is either reused directly or absorbed in water, resulting in hydrochloric acid of technical or industrial grade.
Small amounts of hydrogen chloride for laboratory use can be generated in an HCl generator by dehydrating hydrochloric acid with either sulfuric acid or anhydrous calcium chloride. Alternatively, HCl can be generated by the reaction of sulfuric acid with sodium chloride: . This reaction occurs at room temperature. Hydrogen chloride can also be prepared by the hydrolysis of certain reactive chloride compounds such as phosphorus chlorides , thionyl chloride SOCl 2 , and acyl chlorides.
For example, cold water can be gradually dripped onto phosphorus pentachloride PCl 5 to give HCl:. Most hydrogen chloride is used in the production of hydrochloric acid. It is also used in the production of vinyl chloride and many alkyl chlorides. One of the first such uses was the synthesis of mercury II chloride corrosive sublimate , whose production from the heating of mercury either with alum and ammonium chloride or with vitriol and sodium chloride was first described in the De aluminibus et salibus "On Alums and Salts" , an eleventh- or twelfth century Arabic text falsely attributed to Abu Bakr al-Razi and translated into Latin by Gerard of Cremona — Another important development was the discovery by pseudo-Geber in the De inventione veritatis , "On the Discovery of Truth", after c.
After the discovery in the late sixteenth century of the process by which unmixed hydrochloric acid can be prepared,  it was recognized that this new acid then known as spirit of salt or acidum salis released vaporous hydrogen chloride, which was called marine acid air.
In the 17th century, Johann Rudolf Glauber used salt sodium chloride and sulfuric acid for the preparation of sodium sulfate , releasing hydrogen chloride gas see production, above. In , Carl Wilhelm Scheele also reported this reaction and is sometimes credited with its discovery. Joseph Priestley prepared hydrogen chloride in , and in Humphry Davy established that it is composed of hydrogen and chlorine.
During the Industrial Revolution , demand for alkaline substances such as soda ash increased, and Nicolas Leblanc developed a new industrial-scale process for producing the soda ash. In the Leblanc process , salt was converted to soda ash, using sulfuric acid, limestone, and coal, giving hydrogen chloride as by-product. Initially, this gas was vented to air, but the Alkali Act of prohibited such release, so then soda ash producers absorbed the HCl waste gas in water, producing hydrochloric acid on an industrial scale.
Later, the Hargreaves process was developed, which is similar to the Leblanc process except sulfur dioxide , water, and air are used instead of sulfuric acid in a reaction which is exothermic overall. In the early 20th century the Leblanc process was effectively replaced by the Solvay process , which did not produce HCl. However, hydrogen chloride production continued as a step in hydrochloric acid production. Historical uses of hydrogen chloride in the 20th century include hydrochlorinations of alkynes in producing the chlorinated monomers chloroprene and vinyl chloride , which are subsequently polymerized to make polychloroprene Neoprene and polyvinyl chloride PVC , respectively.
In the production of vinyl chloride, acetylene C 2 H 2 is hydrochlorinated by adding the HCl across the triple bond of the C 2 H 2 molecule, turning the triple into a double bond , yielding vinyl chloride. The "acetylene process", used until the s for making chloroprene , starts out by joining two acetylene molecules, and then adds HCl to the joined intermediate across the triple bond to convert it to chloroprene as shown here:.
This "acetylene process" has been replaced by a process which adds Cl 2 to the double bond of ethylene instead, and subsequent elimination produces HCl instead, as well as chloroprene. Hydrogen chloride forms corrosive hydrochloric acid on contact with water found in body tissue.
Inhalation of the fumes can cause coughing , choking , inflammation of the nose, throat, and upper respiratory tract , and in severe cases, pulmonary edema , circulatory system failure, and death. Skin contact can cause redness, pain , and severe chemical burns.
Hydrogen chloride may cause severe burns to the eye and permanent eye damage. The U. From Wikipedia, the free encyclopedia. This article is about the gas. For the aqueous solution, see hydrochloric acid. Hydrogen chloride . Hydrochloric acid gas Hydrochloric gas Hydrochloride. CAS Number. Interactive image. Beilstein Reference. Gmelin Reference. D Y. PubChem CID. Chemical formula. Solubility in water.
Refractive index n D. Molecular shape. Dipole moment. Heat capacity C. Std molar entropy S o ATC code. Signal word. Hazard statements. Precautionary statements. LD 50 median dose. LC 50 median concentration. LC Lo lowest published. PEL Permissible. REL Recommended. IDLH Immediate danger. Chemical compound.
DCl was used instead of HCl because the deuterium nucleus is easier to detect than the hydrogen nucleus. The extensible linear structure is indicated by the dashed lines. Play media. UK: European Bioinformatics Institute. Handbook of Chemistry and Physics 91 ed. ISBN Gas Encyclopaedia. Cambridge University Press, David Principles of Organic Chemistry.
Elsevier Science. Gazzetta Chimica Italiana in Italian. Bibcode : Natur. S2CID Hydrochloric Acid. Philosophical Transactions of the Royal Society of London. Bibcode : RSPT Hydrogen Chloride Cannon. Arnsliz Bibcode : JChEd.. OCLC II, pp. The Origins of Chemistry. London: Oldbourne. VIII 6 : —