Characteristic

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 of auric acid are termed aurates.

Chemical formula:H₃AuO₃

Molar mass:247.9886 g mol⁻¹

Appearance:Vivid, dark yellow crystals

Application

Gold(III) hydroxide is used in medicine, porcelain making, gold plating, and daguerrotypes. Used for preparation of gold catalysts.