CAS Registry Number

CAS 1312-81-8 — Lanthanum oxide

Lanthanum oxide (La2O3) is a white, hygroscopic powder used primarily in the production of specialty glasses, optical lenses, and high-performance ceramics. It also serves as a catalyst in petrochemical refining and as a dopant in phosphors and superconductors. This high-purity compound has a molecular weight of 325.81 g/mol and is stored at ambient conditions. The product carries a signal word of "Warning" for safety handling. Molekula supplies lanthanum oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.