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Copper(I) Chloride

Other Names:

Cuprous chloride

General Information:



CAS Number: 7758-89-6

Molecular Weight: 99.00 g/mol

Appearance: light-green to white solid

Chemical Formula: CuCl

Melting Point: 430 C

Common Uses:

Reagent for Sandmeyer reactions where chloride products are desired

Procedure excerpt:

To a suspension of CuCl (103 mg, 1.04 mmol) in ACN (5 mL) was added t-BuONO (0.134 mL, 1.125 mmol) dropwise at 0 C. A solution of the SM (200 mg, 0.749 mmol) in ACN (4 mL) . . .

[full procedure]


1) Patent Reference: WO2015129926, page 190, (21.5 MB)

2) Coates, R. M.; Denmark, S. E.; Handbook of Reagents for Organic Synthesis, Reagents, Auxiliaries, and Catalysts for C-C Bond Formation

3) Wikipedia: Copper(I) chloride (link)

4) Copper(I) chloride (link)