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It is precursor to many copper compounds including copper oxychloride and many organocuprate compounds of synthetic interest. It is used as a catalyst as well as a reagent in many organic reactions including Gatterman-Koch, Sandmeyer, Grignard and Gilman reactions. It catalyzes 1,4-addition of Grignard reagents to alpha,beta-unsaturated ketones. It is also used as a doping salt to enhance the cationization of polystyrene in matrix-assisted laser desorption/ionization mass spectrometry. It is also an intermediate formed in the Wacker process.
Nezhad, G. K.; Dorraji, P. S. Copper chloride modified copper electrode: Application to electrocatalytic oxidation of methanol. Electrochim. Acta 2010, 55 (9), 3414-3420.
Keki, S.; Deak, G.; Zsuga, M. Copper(I) chloride: a simple salt for enhancement of polystyrene cationization in matrix-assisted laser desorption/ionization mass spectrometry. Rapid Commun. Mass Spectrom. 2001, 15 (9), 675-678.
Hazard Statements: H302
Harmful if swallowed.
Precautionary Statements: P264-P270-P301+P312a-P330-P501a
Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.