Lanthanum oxide is La2O3, an inorganic compound containing the rare earth element lanthanum and oxygen. It is used to develop ferroelectric materials, as a component of optical materials, and is a feedstock for certain catalysts. La2O3 is used to make optical glasses.
- Formula
- La2O3
- Molar mass
- 325.809 g/mol
- CAS Number
- 1312-81-8
- Density
- 6.51 g/cm3
- Purity/Grade
- 99% max. part, size 200 micron
- Appearance
- Powder
- Initial boiling point and boiling range
- 4,200 °C (7,592 °F) at 1,013 hPa (760 mmHg)
- Water solubility
- 0.00007 g/L at 20 °C
- Melting point/freezing point
- 2,305 - 2,315 °C (4,181 - 4,199 °F) at ca.1,013 hPa (760 mmHg)