T 1133 (OTTO) Terbium(III) chloride, hexahydrate, 99.9% Cas 13798-24-8 - used for the preparation of metallic terbium, which is used in electronic devices and an additive for special alloy namely Terfenol-D. T 1133 (OTTO) Terbium(III) chloride, hexahydrate, 99.9% Cas 13798-24-8 - used in the preparation of complexes, which are used in the spectrofluorimetric determination of various chemicals in pharmaceutical formulations. T 1133 (OTTO) Terbium(III) chloride, hexahydrate, 99.9% Cas 13798-24-8 - used in the preparation of terbium nanotubes.