Gold(III) hydroxide photograph

Gold(III) Hydroxide

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FormulaAuH3O3
Molar mass247. 9886 g/mol
ChemSpider ID21170948
R-phrases (outdated)R36/37/38
Classification Inorganic compound
AppearanceVivid, dark yellow crystals
Date of Reg.
Date of Upd.
ID1158520
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About 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 of auric acid are termed aurates.

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