Praseodymium(III) chloride is used in producing metal praseodymium and praseodymium compounds,glass,ceramic and coloring.
Poison by
intraperitoneal, subcutaneous, and
intravenous routes. Moderately toxic by
ingestion. A skin and eye irritant. When
heated to decomposition it emits toxic
fumes of Cl-. See also PRASEODYMIUM.
Its 1M solution in 6M HCl is passed twice through a Dowex-1 anion-exchange column. The eluate is evaporated in a vacuum desiccator to about half its volume and allowed to crystallise [Katzin & Gulyas J Phys Chem 66 494 1962].