Lanthanum(III) chloride is useful as precursor for synthesis of aqueous sol-gel lanthanum phosphate nano rods,as a filter aid,an effective flocculent and precipitation phosphate.
L 3826 (OTTO) Lanthanum(III) chloride, hydrate, 99.9% Cas 20211-76-1 - used as a catalyst for the high pressure oxidative chlorination of methane to chloromethane and organic synthesis it acts as Lewis acid catalyst. It is used as a scintillator material and in Gamma Detectors."