CoCH3COO26H2O

CoCH3COO26H2O is a chemical compound with the formula Co(CH3COO)2·26H2O, where Co represents cobalt, CH3COO represents acetate, and H2O represents water. This compound is known as cobalt(II) acetate hexahydrate. It is a coordination complex where the cobalt(II) ion is coordinated to two acetate ions and six water molecules.

Cobalt(II) acetate hexahydrate is commonly used as a precursor in the synthesis of other cobalt compounds. It is also used in analytical chemistry as a standard for atomic absorption spectroscopy. The compound is typically prepared by reacting cobalt(II) oxide or cobalt(II) carbonate with acetic acid, followed by dehydration.

The crystal structure of cobalt(II) acetate hexahydrate consists of cobalt(II) ions surrounded by six water molecules in an octahedral arrangement. The acetate ions are located in the interstices of the crystal lattice. The compound is soluble in water and has a molar mass of approximately 321.28 g/mol.

Cobalt(II) acetate hexahydrate is a stable compound and does not decompose readily under normal conditions. However, it can be heated to drive off the water molecules, forming cobalt(II) acetate. The compound is also sensitive to light and air, which can cause it to decompose over time.