Lanthanum carbonate, La2(CO3)3, is the salt formed by lanthanum(III) cations and carbonate anions. It is an ore of lanthanum metal, along with monazite.
L 1244 (OTTO) Lanthanum carbonate, GR 99.9% Cas 54451-24-0 - used for the tinting of glass, for water treatment, and as a catalyst for hydrocarbon cracking