Chromium(III) acetate

<p>Chromium(III) acetate, commonly known as basic chromium acetate, describes a family of <a href="/facts/Salt_(chemistry)/lsSKwGpn">salts</a> where the cation has the formula [Cr3O(O2CCH3)6(OH2)3]+. The trichromium cation is encountered with a variety of anions, such as chloride and nitrate. Data in the table above are for the chloride hexahydrate, [Cr3O(O2CCH3)6(OH2)3]Cl(H2O)6.
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<p>Salts of basic chromium acetate has long attracted interest because of its distinctive structure, which features octahedral Cr(III) centers, a triply bridging <a href="/facts/Oxo_ligand/CTR37kYS">oxo ligand</a>, six <a href="/facts/Acetate/U90VVczy">acetate</a> ligands, and three <a href="/facts/Aquo_ligand/eKudHVQy">aquo ligands</a>. The same structure is shared with basic iron acetate and basic manganese acetate. Little evidence exists for a simple chromium(III) acetate, i.e. lacking the <a href="/facts/Oxo_ligand/CTR37kYS">oxo ligand</a>. Chromium(III) acetate is a blue/grey-green powder, which is soluble in water. It is still prepared according to the original procedure from 1909.
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Chromium(III) acetate open-in-new

Chromium(III) acetate