CAS No.: | 7647-01-0 |
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Formula: | HCl |
EINECS: | 231-595-7 |
Constituent: | Industrial Pure Air |
Grade Standard: | Industrial Grade |
Chemical Property: | Poisonous Gases |
Customization: |
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Anhydrous hydrogen chloride (HCl) refers to hydrogen chloride gas that is free of water. It is the gaseous form of hydrochloric acid without any water molecules present. Here are some key points about anhydrous hydrogen chloride:
Composition: Anhydrous hydrogen chloride consists of hydrogen (H) and chlorine (Cl) atoms and is represented by the chemical formula HCl.
Properties: Anhydrous hydrogen chloride is a colorless gas with a pungent, sharp odor. It is highly soluble in water and readily forms hydrochloric acid when it comes into contact with moisture or water vapor. Anhydrous HCl has a boiling point of -85.05 degrees Celsius (-121.09 degrees Fahrenheit) and a melting point of -114.22 degrees Celsius (-173.56 degrees Fahrenheit).
Production: Anhydrous hydrogen chloride is typically produced by the reaction of hydrogen gas (H2) with chlorine gas (Cl2) in the absence of water. The reaction is often facilitated by a catalyst, such as activated carbon or a metal chloride.
Uses: Anhydrous hydrogen chloride has various applications in different industries:
Chemical Synthesis: It serves as a reactant, catalyst, or intermediate in the production of various chemicals, including pharmaceuticals, plastics, dyes, and fertilizers.
Semiconductor Industry: Anhydrous HCl is used in the semiconductor industry for etching and cleaning silicon wafers during the fabrication of electronic devices.
Oil Refining: It is utilized in the oil refining industry for processes such as the removal of impurities from petroleum products and the regeneration of catalysts.
Rubber Industry: Anhydrous hydrogen chloride is employed in the rubber industry for vulcanization, which enhances the strength and elasticity of rubber materials.
Laboratory Applications: It is used in laboratories for tasks such as pH adjustment, chemical synthesis, and extraction processes.
Safety Considerations: Anhydrous hydrogen chloride is highly corrosive and toxic. It can cause severe burns to the skin, eyes, and respiratory system upon contact. Inhalation of high concentrations of HCl gas can be harmful to human health. Proper safety precautions, including the use of appropriate protective equipment, ventilation systems, and safe handling procedures, should be followed when working with anhydrous hydrogen chloride.
Due to its hazardous nature, anhydrous hydrogen chloride should be handled with care, and its use and storage should comply with strict safety protocols and regulations.
Molecular Weight | 36.46 | Density | 1.477Kg/m³ |
Melting Point | -114.2ºC | Boiling Point | -85.1ºC |
Appearance | Colorless,Pungent | Un No. | 1050 |
DOT Class | 2.3&8 | Valve | CGA660 |
Cylinder Standard | GB/ISO/DOT | Cylinder Pressure | 15Mpa/20Mpa |
Transport Package | 44L | Specification | 99.9% |
Trademark | CMC | Origin | China |
Specification:
Hydrogen chloride is a colorless gas with a pungent odor, which is highly irritating to the upper respiratory tract and corrosive to eyes, skin and mucous membranes.
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