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Hydrochloric acid is found naturally in gastric acid. Most hydrogen chloride gas is used in the production of hydrochloric acid. HCl gas is also an important reagent in other industrial chemical transformations. For example, the hydrochlorination of rubber and the production of vinyl and alkyl chlorides.
Physical properties of hydrochloric acid, such as boiling and melting points, density, and pH, depend on the concentration or molarity of HCl in the aqueous solution. They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl.
The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colorless gas, which forms white fumes of hydrochloric acid upon contact with atmospheric water vapor. Hydrogen chloride gas and hydrochloric acid are important in technology and industry.
5 wrz 2024 · Hydrogen chloride is a colourless gas of strong odour. It condenses at −85 °C (−121 °F) and freezes at −114 °C (−173 °F). The gas is very soluble in water: at 20 °C (68 °F) water will dissolve 477 times its own volume of hydrogen chloride. Because of its great solubility, the gas fumes in moist air.
15 wrz 2022 · HCl is extremely soluble in water (720 g/L at 20 °C), and more so at lower temperatures, as well as other solvents such as methanol, ethanol, diethyl ether, THF, but less soluble in non-polar solvents such as benzene, chloroform, carbon tetrachloride. It has a boiling point of −85.05 °C and a melting point of −114.22 °C. Availability
25 cze 2023 · Physical properties of HCl, such as density, pH, boiling and melting point depend on the concentration of HCl in the aqueous solution. They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl.
Formula: HCl; Hill system formula: Cl 1 H 1; CAS registry number: [7647-01-0] Formula weight: 36.461; Class: chloride Colour: colourless; Appearance: gas; Melting point: -114.2°C; Boiling point: -85.1°C; Density: 1187 kg m-3 (at freezing point)
