Hydrogen Chloride Hcl Cas No: 7647-01-0

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CAS No.: 7647-01-0
EINECS No.: 231-595-7
UN No.: UN1050
Purity: 99.9%, 99.999%
Dot Class: 2.3
Appearance: Colorless
Grade Standard: Electronic Grade, Refrigerant Grade

Material:
Most hydrogen chloride is used in the production of hydrochloric acid. It is also an important reagent in other industrial chemical transformations.

Semiconductor:
In the semiconductor industry, it is used to both etch semiconductor crystals and to purify silicon via trichlorosilane (SiHCl3).

Laboratory:
In the laboratory, anhydrous forms of the gas are particularly useful for generating chloride-based Lewis acids, which must be absolutely dry for their Lewis sites to function.