Auric Acetate
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Gold(III) acetate, also known as auric acetate, is a chemical compound of gold and
acetic acid Acetic acid , systematically named ethanoic acid , is an acidic, colourless liquid and organic compound with the chemical formula (also written as , , or ). Vinegar is at least 4% acetic acid by volume, making acetic acid the main component ...
. It is a yellow solid that decomposes at 170 °C to gold metal. This decomposition of gold(III) acetate has been studied as a pathway to produce
gold nanoparticles Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. The colloid is usually either wine-red coloured (for spherical particles less than 100  nm) or blue/purple (for larger spherical particle ...
as
catalysts Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
.


Production and reactions

Gold(III) acetate can be produced by the reaction of
gold(III) hydroxide Gold(III) hydroxide, gold trihydroxide, or gold hydroxide is an inorganic compound, a hydroxide of gold, with formula Au(OH)3. It is also called auric acid with formula H3AuO3. It is easily dehydrated above 140 °C to gold(III) oxide. Salts ...
and glacial acetic acid: :Au(OH)3 + 3CH3COOH → Au(CH3COO)3 + 3H2O It reacts with 2-(''p''-tolyl)pyridine (tpy) in presence of trifluoroacetic acid to form Au(CF3COO)2(tpy).
Gold(III) sulfide Gold(III) sulfide or auric sulfide is an inorganic compound with the formula .Auric sulfide has been described as a black and amorphous. Little evidence has been published supporting the existence of macroscopic quantities of this material. Clai ...
has been claimed as the product when gold(III) acetate is sonicated with ''cyclo''-octasulfur in
decalin Decalin (decahydronaphthalene, also known as bicyclo .4.0ecane and sometimes decaline), a bicyclic organic compound, is an industrial solvent. A colorless liquid with an aromatic odor, it is used as a solvent for many resins or fuel additives. I ...
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References

{{Acetates Gold(III) compounds Acetates