Copper(I) Chloride

Copper(I) Chloride, also known as cuprous chloride, is the inorganic compound with the chemical formula CuCl. The substance is a white or light grey solid sparingly soluble in water, but very soluble in concentrated hydrochloric acid. Commercial samples often have a green tinge, due to the presence of copper(II) chloride.

Synthesis
Copper(I) chloride is produced industrially by the direct combination of copper metal and chlorine gas at 450–900 °C.Copper(I) chloride can also be prepared by reducing copper(II) chloride with sulfur dioxide, or with ascorbic acid (vitamin C) that acts as a reducing sugar.

Reactions
The main use of copper(I) chloride is as a precursor to the fungicide copper(II) oxychloride.It is also used in certain organic reactions, such as the Gatterman-Koch reaction and the Sandmeyer reaction.

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