- InChI
- InChI=1S/Mg.O
- InChI Key
- CPLXHLVBOLITMK-UHFFFAOYSA-N
- Formula
- MgO
- SMILES
- [O]=[Mg]
- Molecular Weight1
- 40.30
- CAS
- 1309-48-4
- Other Names
-
- magnesia (MgO)
- magnesium monoxide
- magnesium oxide (MgO)
- magnesium(II) oxide
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 988.00 | kJ/mol | NIST |
| BasG | 959.40 | kJ/mol | NIST |
| ΔfH°solid | -601.60 ± 0.30 | kJ/mol | NIST |
| IE | [8.76; 9.70] | eV |
|
| IE | 8.76 ± 0.22 | eV | NIST |
| IE | 9.70 | eV | NIST |
| S°solid,1 bar | 26.95 ± 0.15 | J/mol×K | NIST |
Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [6.90; 3389.88] | kPa | [3105.00; 5950.00] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.39253e+01 | |||
| Coefficient B | -3.19189e+04 | |||
| Coefficient C | -4.43610e+02 | |||
| Temperature range, min. | 3105.00 | |||
| Temperature range, max. | 5950.00 | |||
| Pvap | 6.90 | kPa | 3105.00 | Calculated Property |
| Pvap | 24.66 | kPa | 3421.11 | Calculated Property |
| Pvap | 69.00 | kPa | 3737.22 | Calculated Property |
| Pvap | 161.22 | kPa | 4053.33 | Calculated Property |
| Pvap | 328.58 | kPa | 4369.44 | Calculated Property |
| Pvap | 602.24 | kPa | 4685.56 | Calculated Property |
| Pvap | 1014.86 | kPa | 5001.67 | Calculated Property |
| Pvap | 1598.25 | kPa | 5317.78 | Calculated Property |
| Pvap | 2381.55 | kPa | 5633.89 | Calculated Property |
| Pvap | 3389.88 | kPa | 5950.00 | Calculated Property |
Similar Compounds
Find more compounds similar to magnesium oxide.
Sources
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Thermodynamic study of MgO-Sb2O3 system and the stability functions of magnesium antimonite
- Thermochemistry of 2MgSO4*MgO*3H2O
- High-temperature phase equilibria of Cu-O-MgO system in air
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
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