CuCH3COO2

CuCH3COO2, more commonly known as copper(II) acetate, is a chemical compound with the formula Cu(CH3COO)2. It is a salt formed from the reaction of copper(II) ions and acetate ions. In its anhydrous form, it is a pale green solid. However, it is frequently encountered as the monohydrate, Cu(CH3COO)2·H2O, which has a distinct blue-green color.

Copper(II) acetate is soluble in water and ethanol. When heated, it decomposes. The compound has a variety of applications. Historically, it was used as a pigment in paints and inks. It also finds use as a catalyst in various organic synthesis reactions. In agriculture, it has been employed as a fungicide and algaecide due to the biocidal properties of copper. Furthermore, it serves as a source of copper in some chemical preparations and laboratory experiments.

The structure of copper(II) acetate is interesting. In the solid state, it often exists as a dimer, where two copper atoms are bridged by acetate ligands, forming a square planar geometry around each copper ion. This dimeric structure influences its chemical reactivity and physical properties. It is important to handle copper(II) acetate with care, as copper compounds can be toxic if ingested or if they come into prolonged contact with skin. Standard safety precautions for chemical handling should be observed.