2630. Cupric Butyrate

Nomenclature

CAS number: 540-16-9
C8H14CuO4; mol wt 237.74.
C 40.42%, H 5.94%, Cu 26.73%, O 26.92%.
Cu(CH3CH2CH2COO)2.

Description and references

Prepn from a cupric salt and butyric acid or Na butyrate: Graddon, J. Inorg. Nucl. Chem. 17, 222 (1955); Martin, Waterman, J. Chem. Soc. 1957, 2545; from powdered Cu and butyric acid: Hahl, US 3133942 (1964 to BASF).

Derivative

Monohydrate.

Properties

Large, dark green, monoclinic, hexagonal plates. Becomes dull and disintegrates after several days exposure to air. Sol in water, dioxane, benzene; slightly sol in chloroform, alcohol.

Use

In catalysts; in lubricants.