Lanthanum oxide, 99.99%

Lanthanum oxide is a rare earth oxide in Puriss grade carrying the CAS registry number 1312-81-8 with a typical assay of 99.99%. With the molecular formula La2O3, it has a molar mass of 325.81 g/mol. Systematically, it is named bis(lanthanum(3+)). Tris(oxygen(2-)). It is also known as Lanthanum sesquioxide or Lanthanum oxide (La2O3).

In its supplied form it is a white powder. Reported physical data include a melting point of 2,315 °C and a density of 6.51 g/mL at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span phosphors and glass, catalysts, magnets and ceramics and biological staining. It is used across academic and industrial research, electronics and semiconductors and metallurgy and mining.

Vaqora Chemicals supplies Lanthanum oxide in 50 g, 250 g, 1 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.