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Ceric acetylacetonate, Ce(CH3.CO.CH.CO.CH3)4

Ceric acetylacetonate, Ce(CH3.CO.CH.CO.CH3)4, may be prepared by shaking a suspension of ceric hydroxide in water with excess of acetylacetone for several days. Deep red needles of the hydrated compound (11H2O) are thus formed. They are dried in vacuo and crystallised from carbon tetrachloride, when black, lustrous crystals of the anhydrous substance separate out, m.p. 171-172°. The acetylacetonate is slightly soluble in water, which hydrolyses it slightly; hydrolysis may be repressed by the addition of a little acetylacetone. The compound dissolves in most organic media, forming deep red solutions that are readily reduced.

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