Printed from https://www.webqc.org

Properties of Y2O3

Properties of Y2O3 (Yttrium(III) oxide):

Compound NameYttrium(III) oxide
Chemical FormulaY2O3
Molar Mass225.8099 g/mol

Chemical structure
Y2O3 (Yttrium(III) oxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceWhite solid.
Solubilityinsoluble
Density5.0100 g/cm³
Helium 0.0001786
Iridium 22.562
Melting2,425.00 °C
Helium -270.973
Hafnium carbide 3958
Boiling4,300.00 °C
Helium -268.928
Tungsten carbide 6000
Thermochemistry
Enthalpy of Formation-190.00 kJ/mol
Adipic acid -994.3
Tricarbon 820.06
Standard Entropy99.08 J/(mol·K)
Ruthenium(III) iodide -247
Chlordecone 764

Alternative Names

Yttria
diyttrium trioxide
yttrium sesquioxide

Elemental composition of Y2O3
ElementSymbolAtomic weightAtomsMass percent
YttriumY88.90585278.7440
OxygenO15.9994321.2560
Mass Percent CompositionAtomic Percent Composition
Y: 78.74%O: 21.26%
Y Yttrium (78.74%)
O Oxygen (21.26%)
Y: 40.00%O: 60.00%
Y Yttrium (40.00%)
O Oxygen (60.00%)
Mass Percent Composition
Y: 78.74%O: 21.26%
Y Yttrium (78.74%)
O Oxygen (21.26%)
Atomic Percent Composition
Y: 40.00%O: 60.00%
Y Yttrium (40.00%)
O Oxygen (60.00%)
Identifiers
CAS Number1314-36-9
SMILESO=[Y]O[Y]=O
Hill formulaO3Y2

Related compounds
FormulaCompound name
YOYttrium(II) oxide

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?