| Formula / Notation | MgO |
|---|---|
| CAS Number | 1309-48-4 |
| Molecular Weight | 40.305 |
| Melting Point | 5072 °F (NIOSH, 2024) |
| Boiling Point | 6512 °F at 760 mmHg (NIOSH, 2024) |
| Density | 3.58 (NIOSH, 2024) - Denser than water; will sink |
| Solubility | 0.009 % at 86 °F (NIOSH, 2024) |
| Appearance | Magnesium oxide appears as a white solid, often found as a powder. When fine particles of magnesium oxide are dispersed in air, whether directly or when generated by the burning or cutting of magne... |
| Also Known As | oxomagnesium; Magnesia; Granmag; Heavy magnesium oxide; Calcined magnesia; Seawater magnesia; Anscor P; Animag; Magcal; Marmag |
| Category | Inorganic Compounds |
What is Magnesium oxide?
Magnesium oxide (MgO) is an inorganic compound that appears as Magnesium oxide appears as a white solid, often found as a powder. When fine particles of magnesium oxide are dispersed in air, whether directly or when generated by the burning or cutting of magne.... It has a molecular weight of 40.305 g/mol. Its IUPAC name is oxomagnesium. Boiling point: 6512 °F at 760 mmHg (NIOSH, 2024). Melting point: 5072 °F (NIOSH, 2024).
Formula & Notation
IUPAC Name: oxomagnesium
Other Names / Synonyms: oxomagnesium; Magnesia; Granmag; Heavy magnesium oxide; Calcined magnesia; Seawater magnesia; Anscor P; Animag; Magcal; Marmag
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 5072 °F (NIOSH, 2024) |
| Boiling Point | 6512 °F at 760 mmHg (NIOSH, 2024) |
| Density | 3.58 (NIOSH, 2024) - Denser than water; will sink |
| Molecular Weight | 40.305 |
| Solubility | 0.009 % at 86 °F (NIOSH, 2024) |
| Appearance | Magnesium oxide appears as a white solid, often found as a powder. When fine particles of magnesium oxide are dispersed in air, whether directly or when generated by the burning or cutting of magne... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Magnesium oxide (MgO) is an inorganic compound that appears as Magnesium oxide appears as a white solid, often found as a powder. When fine particles of magnesium oxide are dispersed in air, whether directly or when generated by the burning or cutting of magne.... It has a molecular weight of 40.305 g/mol. Its IUPAC name is oxomagnesium. Boiling point: 6512 °F at 760 mmHg (NIOSH, 2024). Melting point: 5072 °F (NIOSH, 2024).
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Magnesium oxide is: MgO