Description
Aluminum oxide is a white odorless crystalline powder. Water insoluble. Properties (both physical and chemical) vary according to the method of preparation; different methods give different crystalline modifications. The variety formed at very high temperature is quite inert chemically.
- Formula
- Al2O3
- Molar mass
- 101.96 g/mol
- CAS Number
- 1344-28-1
- Density
- 4.000 g/cm3
- Water solubility
- Insoluble
- Appearance
- Pellets 3mm
- Melting point/freezing point
- 2,040°C (3,704°F) – lit.
- Initial boiling point and boiling range
- 2,980°C (5,396°F)
- Vapour pressure
- 1 hPa (1 mmHg) at 2,158°C (3,916°F)
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