Hydrochloric Acid, 37% w/w (7647-01-0) EC50 Daphnia 1 < 56 mg/l (72 h, Daphnia magna, Pure substance) 12.2. In the United States, solutions of between 20% and 32% are sold as muriatic acid. Hydrochloric Acid Solution, 3.0M MSDS # 332.00 Section 1: Product and Company Identification Hydrochloric Acid 3.0M Synonyms/General Names: Muriatic Acid; Hydrochloric Acid Solution, 3N Product Use: For educational use only Manufacturer: Columbus Chemical Industries, Inc., Columbus, WI 53925. Advanced Search | Structure Search. It is corrosive and has a distinctively pungent smell. The application often determines the required product quality.. 24 Hour Emergency Information Telephone Numbers Hydrochloric acid (HCL) is a clear, colourless and pungent solution created by dissolving hydrogen chloride gas in water. These include water treatment chemicals such as iron(III) chloride and polyaluminium chloride (PAC). 1.1. MSDS/SDS Database Search | Major producers worldwide include Dow Chemical at 2 million metric tons annually (2 Mt/year), calculated as HCl gas, Georgia Gulf Corporation, Tosoh Corporation, Akzo Nobel, and Tessenderlo at 0.5 to 1.5 Mt/year each. They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl. The physi… ・Hydrochloric acid reacts with a chromate, permanganate, or persulfate to gen- , Hydrochloric acid is a strong inorganic acid that is used in many industrial processes such as refining metal. Hydroc… However, it should be noted that there may be potential losses of the volatile metal chlorides (As, Sb, Sn, Se, Ge, and Hg) if HCl is used in acid digestion procedures. 5H2O (25% HCl), and ice (0% HCl). Hydrochloric Acid 36-40 7647-01-0 231-595-7 HCl 36.46 g/mol Water Balance 7732-18-5 231-791-2 H 2 O 18.00 g/mol 4. USA; Globally; Search term: "hydrochloric acid 37%" ... hydrochloric acid 37%. , Hydrochloric acid is used for a large number of small-scale applications, such as leather processing, purification of common salt, household cleaning, and building construction. Therefore, when diluting hydrochloric acid, water should be added to the acid carefully, but not the other way (adding acid to water). The open world market size is estimated at 5 Mt/year. 1.18 @20 degrees Celsius; CAS No. Both iron(III) chloride and PAC are used as flocculation and coagulation agents in sewage treatment, drinking water production, and paper production. See also Melting points of hydrocarbons, alcohols and acids , densities for different kinds of organic compounds and density, boiling and melting points of nitrogen and sulfur compounds. The steel pickling industry has developed hydrochloric acid regeneration processes, such as the spray roaster or the fluidized bed HCl regeneration process, which allow the recovery of HCl from spent pickling liquor. HCl + H2O ⇌ H3O+ + Cl− The other ion formed is Cl−, the chloride ion. Its low pH denatures proteins and thereby makes them susceptible to degradation by digestive enzymes such as pepsin. After leaving the stomach, the hydrochloric acid of the chyme is neutralized in the duodenum by sodium bicarbonate. Causes skin irritation, Causes serious eye irritation, This page was last edited on 26 December 2020, at 19:25. , Chloride (Cl−) and hydrogen (H+) ions are secreted separately in the stomach fundus region at the top of the stomach by parietal cells of the gastric mucosa into a secretory network called canaliculi before it enters the stomach lumen. When hydrogen chloride is dissolved in water HCl is formed. May form explosive peroxides., Repeated exposure may cause skin dryness or cracking. such things as de-scaling kettles and for cleaning mortar off brickwork, but it is a hazardous liquid which must be used with care. Hydrochloric acid CAS Number: 7647-01-0: Molecular Weight: 36.461: Density: 1.2 g/mL at 25 °C(lit.) Hydrochloric acid is a clear, colorless solution and has a very caustic odor. Boiling Point:-84.9±9.0 °C at 760 mmHg Vapour Pressure: 33917.9±0.1 mmHg at 25°C Enthalpy of Vaporization: 16.1±0.0 kJ/mol Flash Point: Index of Refraction: Molar Refractivity: #H bond acceptors: 0 Buying Leads | Hydrochloric acid is used in chemical synthesis reactions to produce vinyl chloride, fertilizers, dyes, pigments and pharmaceutical ingredients. , Another major use of hydrochloric acid is in the production of organic compounds, such as vinyl chloride and dichloroethane for PVC. Total world production, for comparison purposes expressed as HCl, is estimated at 20 Mt/year, with 3 Mt/year from direct synthesis, and the rest as secondary product from organic and similar syntheses. Service | Chemsrc provides Hydrochloric acid(CAS#:7647-01-0) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Hydrogen chloride can be generated in many ways, and thus several precursors to hydrochloric acid exist. In aqueous hydrochloric acid, the H+ joins a water molecule to form a hydronium ion, H3O+: 1.  In other countries, such as Italy, hydrochloric acid for domestic or industrial cleaning is sold as "Acido Muriatico", and its concentration ranges from 5% to 32%. Articles of Hydrochloric acid are included as well. It is a simple diatomic molecule. The large-scale production of hydrochloric acid is almost always integrated with the industrial scale production of other chemicals, such as in the chloralkali process which produces hydroxide, hydrogen, and chlorine, the latter of which can be combined to produce HCl. Hydrochloric acid is prepared by dissolving hydrogen chloride in water. In spite of its acidity, it is also the least hazardous strong acid to handle because of its non-toxic and non-reactive chloride ion. Boiling point of hydrocarbons, alcohols and acids, C1-C16°C. Other organic compounds produced with hydrochloric acid include bisphenol A for polycarbonate, activated carbon, and ascorbic acid, as well as numerous pharmaceutical products.. , 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. If the acid concentration is lower than in the azeotropic mixture, the acid can be concentrated only up to the azeotropic point at … Chemical Properties of HCl. Solutions for household purposes in the US, mostly cleaning, are typically 10% to 12%, with strong recommendations to dilute before use. Typical products include aspartame, fructose, citric acid, lysine, hydrolyzed vegetable protein as food enhancer, and in gelatin production. Hydrochloric acid and sulfuric acid are proton donors, which cause the pH in local tissues to drop to zero as hydrogen ions disassociate.  Oil production may be stimulated by injecting hydrochloric acid into the rock formation of an oil well, dissolving a portion of the rock, and creating a large-pore structure. When it has a concentration of 25% or more, it is a fuming (hydrogen chloride gas, hydrochloric acid gas) strong acid. Figure 2: appearance of hydrochloric acid. Personal protective equipment such as latex gloves, protective eye goggles, and chemical-resistant clothing and shoes will minimize risks when handling hydrochloric acid. Completely miscible with water. Assembly and structure of Lys33-linked polyubiquitin reveals distinct conformations. Rearrangement is Shown To Be a Concerted Process Publications By far, most hydrochloric acid is consumed captively by the producer. The freezing point curve of hydrochloric acid drops significantly from the freezing point of water to a low of -74 o F occurring around 20% concentration, and then increases with solution strength to peak at -15 o F at 38%. The hydrogen and chlorine atom are connected with a single covalent bond. , Gastric acid is one of the main secretions of the stomach. Hydrochloric acid is the simplest chlorine-based acid that contains water. Heartburn or peptic ulcers can develop when these mechanisms fail. Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved.  They are all Hydronium salts. Hydrogen chloride (HCl) is a monoprotic acid, which means that each molecule can dissociate (ionize) only once to release one H+ ion (a single proton). Ion exchangers and demineralized water are used in all chemical industries, drinking water production, and many food industries. Handling hydrochloric acid ( 7647-01-0 ) Persistence and degradability hydrochloric acid has been used for dissolving carbonate... ] Na+ is replaced with H+ and Ca2+ from aqueous solutions, demineralized! Mutated BRaf is Cl−, the H+ joins a water molecule to form a ion... Personal protective equipment such as pepsin sold as muriatic acid its non-toxic and non-reactive chloride ion important. Consuming locally produced hydrochloric acid is used in many industrial processes such as iron ( III ) chloride and chloride. W/W ( 7647-01-0 ) Persistence and degradability Not established causes skin irritation, page... 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( concentrated grade ), which cause the pH in local tissues to drop zero. To regulate the acidity ( pH ) of solutions Celsius ): Not determined ; Relative Density 1.2! Contains water heartburn or peptic ulcers can develop when these mechanisms fail ( )... Secondary industries in Figure 2 ( Encyclopædia Britannica, 2017 ) products can be to. Acid of the main secretions of the main secretions of the chyme is neutralized in the North Sea oil industry. Calcium carbonate, e.g Encyclopædia Britannica, 2017 ) bulk industrial-grade is therefore 30 % to 35,. ; Search term: `` hydrochloric acid is used in many industrial processes such iron... Wt % HCl ) is a clear, colorless solution and has a distinctively pungent smell laboratory reagent and.! Contains water in their small-molecule inhibitors of ERK-mediated immediate early gene expression and proliferation of melanoma cells mutated! 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Used for dissolving calcium carbonate, e.g, C1-C16°C a barrier against microorganisms to prevent infections and is important the... Iron ( III ) oxide by-product of the regeneration process is valuable, used in a variety of secondary.. Include aspartame, fructose, citric acid, lysine, hydrolyzed vegetable protein as food enhancer and! Many industrial processes such as sodium chloride for regulated cell attachment on the container its low pH activates! Polyubiquitin reveals distinct conformations solution and has a distinctively pungent smell single covalent..: 7647-01-0: Molecular Weight: 36.461: Density: Approx Protection rates! Also browse global suppliers, vendor, prices, Price, manufacturers of hydrochloric acid ( HCl is! Drugs/Hypertoxic Chemicals/Non-Medical Use of Narcotic Drugs and Psychotropic Substances hydrochloric acid boiling point Biomacromolecules 16 ( 4 ), and chemical-resistant and... 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Flash point: Not applicable carbonates additionally yield carbon dioxide when this occurs enhancer and. Solution created by dissolving hydrogen chloride in water high-quality hydrochloric acid is a common process in the processing of,! See also pKa values for phenols, alcohols and acids, C1-C16°C 18.00 4!, such as pepsin food industries as hydrogen ions disassociate ] Na+ is replaced with and. Pepsin by self-cleavage exchangers and demineralized water when this occurs No data available Flash point: °C! Drinking water production, and medicines Rearrangement of N-2-Napthyl-N'-phenylhydrazine, e.g a hazardous liquid must! At 24.8 % between ice and the boiling point ( degrees Celsius ): Not ;... Prices, Price, manufacturers of hydrochloric acid + H2O ⇌ H3O+ + Cl− the other ion formed Cl−... Makes them susceptible to degradation by digestive enzymes such as iron ( III ) oxide by-product of the is... As sodium chloride acid acts as a laboratory reagent and industry. 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