can't read?
Lanthanum (III) iodide (LaI3) is a salt of the rare earth metal lanthanum with hydrogen iodide. It forms white hexagonal crystals that are hygroscopic.
L 1711 (OTTO) Lanthanum(III) Iodide, puriss, 99.995% Cas no 13813-22-4 - used as a catalyst in the transesterification of N-acyloxazolidinones with alcohol gives the corresponding esters.