Substance:Magnesium oxide

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• Molecular formula: MgO
• Molar mass: 40.304
• CAS Registry Number: 1309-48-4
• Appearance: Magnesium oxide, 99+% (metals basis); Magnesium oxide, 96%, heavy; Magnesium oxide, 96% min; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, 95% min; Magnesium oxide, 99.99% (metals basis); Magnesium oxide, 2 part ceramic adhesive paste; Magnesium oxide, 99.95% (metals basis); Magnesium oxide substrate, 10x10x1mm, polished two sides, 100 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished two sides, 100 orientation; Magnesium oxide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide substrate, 10x10x1mm, polished one side, 110 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 111 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 110 orientation; Magnesium oxide substrate, 10x10x1mm, polished one side, 100 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 100 orientation; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, ACS, 95.0% min; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, 96%, light; Magnesium oxide, Puratronic®, 99.998% (metals basis); Magnesium oxide, 99+% (metals basis); Magnesium oxide, 96%, heavy; Magnesium oxide, 96% min; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, 95% min; Magnesium oxide, 99.99% (metals basis); Magnesium oxide, 2 part ceramic adhesive paste; Magnesium oxide, 99.95% (metals basis); Magnesium oxide substrate, 10x10x1mm, polished two sides, 100 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished two sides, 100 orientation; Magnesium oxide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis excluding Ca); Magnesium oxide substrate, 10x10x1mm, polished one side, 110 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 111 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 110 orientation; Magnesium oxide substrate, 10x10x1mm, polished one side, 100 orientation; Magnesium oxide substrate, 10x10x0.5mm, polished one side, 100 orientation; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, ACS, 95.0% min; Magnesium oxide, 99.95% (metals basis); Magnesium oxide, 96%, light; Magnesium oxide, Puratronic®, 99.998% (metals basis); Finely divided white particulate dispersed in air. [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.]
• Melting point: Not available
• Boiling point: Not available
• Solubility: Not available
• Safety sheet: Not available
• Spectra: Check on SDBS. Add Spectra (Help).

From Wikipedia

Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of and consists of a lattice of Mg²⁺ ions and O²⁻ ions held together by ionic bonds. Magnesium hydroxide forms in the presence of water (MgO + H₂O → Mg(OH)₂), but it can be reversed by heating it to separate moisture.

Magnesium oxide was historically known as magnesia alba (literally, the white mineral from Magnesia), to differentiate it from magnesia negra, a black mineral containing what is now known as manganese.

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Other names

magnesium oxygen(-2) anion (IUPAC Name)

References

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