L 8906 (OTTO) Lithium chloride, puriss, 99.995% Cas 7447-41-8 - used as a brazing flux for aluminium in automobile parts. L 8906 (OTTO) Lithium chloride, puriss, 99.995% Cas 7447-41-8 - used as a desiccant for drying air streams. L 8906 (OTTO) Lithium chloride, puriss, 99.995% Cas 7447-41-8 - used in the manufacture of lithium-ion battery cathodes.