Lanthanum carbonate, La2(CO3)3, is the salt formed by lanthanum(III) cations and carbonate anions. It is an ore of lanthanum metal, (Bastnäsite) along with monazite.
Molar mass：475.85298 g/mol
Appearance：White powder, hygroscopic
Solubility in water：negligible
Solubility：soluble in acids
It is used in pharmaceuticals & used in medicine as a phosphate binder.