Printed from https://www.webqc.org

Properties of Au2O3

Properties of Au2O3 (Gold(III) oxide):

Compound NameGold(III) oxide
Chemical FormulaAu2O3
Molar Mass441.931338 g/mol

Chemical structure
Au2O3 (Gold(III) oxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearancered-brown solid
Solubilityinsoluble
Density11.3400 g/cm³
Helium 0.0001786
Iridium 22.562
Melting298.00 °C
Helium -270.973
Hafnium carbide 3958

Alternative Names

Gold trioxide, Gold sesquioxide, Auric oxide

Elemental composition of Au2O3
ElementSymbolAtomic weightAtomsMass percent
GoldAu196.966569289.1390
OxygenO15.9994310.8610
Mass Percent CompositionAtomic Percent Composition
Au: 89.14%O: 10.86%
Au Gold (89.14%)
O Oxygen (10.86%)
Au: 40.00%O: 60.00%
Au Gold (40.00%)
O Oxygen (60.00%)
Mass Percent Composition
Au: 89.14%O: 10.86%
Au Gold (89.14%)
O Oxygen (10.86%)
Atomic Percent Composition
Au: 40.00%O: 60.00%
Au Gold (40.00%)
O Oxygen (60.00%)
Identifiers
CAS Number1303-58-8
SMILES[O-2].[O-2].[O-2].[Au+3].[Au+3]
Hill formulaAu2O3

Related compounds
FormulaCompound name
Au2OGold(i) oxide

Sample reactions for Au2O3
EquationReaction type
Au2O3 = Au + O2decomposition
Au2O3 = Au + Odecomposition

Related
Molecular weight calculator
Oxidation state calculator

Chemical Compound Properties Database

This database contains physical properties and alternative names for thousands of chemical compounds. In chemical formula you may use:
  • Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
  • Functional groups: D, T, Ph, Me, Et, Bu, AcAc, For, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
  • parenthesis () or brackets [].
  • Common compound names.
Examples: H2O, CO2, CH4, NH3, NaCl, CaCO3, H2SO4, C6H12O6, water, carbon dioxide, methane, ammonia, sodium chloride, calcium carbonate, sulfuric acid, glucose.

The database includes melting points, boiling points, densities, and alternative names collected from various chemical sources.

What are compound properties?

Chemical compound properties include physical characteristics such as melting point, boiling point, and density, which are important for chemical identification and applications. Alternative names help identify the same compound when referenced by different naming conventions.

How to use this tool?

Enter a chemical formula (like H2O) or compound name (like water) to look up available properties and alternative names. The tool will search through the database and display any available physical properties and known alternative names for the compound.
Please let us know how we can improve this web app.
Menu Balance Molar mass Gas laws Units Chemistry tools Periodic table Chemical forum Symmetry Constants Contribute Contact us
How to cite?