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Description

Anhydrous hydrogen chloride, AHCl, is a colorless gas and is readily absorbed in water to form hydrochloric acid. Being hydroscopic in nature, the gas forms white fumes in moist air attract moisture which is a mist of hydrochloric acid.

Hydrogen chloride mediates the growth of epitaxial films of silicon, germanium, and III-V Materials, it is also used to remove surface oxides and to etch metallic thin films.

Colorless, liquefied gas with pungent odor.