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Praseodymium(III) chloride is the inorganic compound with the formula PrCl3. It is a blue-green solid that rapidly absorbs water on exposure to moist air to form a light green heptahydrate. (packed under argon)
P 2570 (OTTO) Praseodymium chloride, 99.99% Cas 10361-79-2 - used in producing metal praseodymium and praseodymium compounds,glass,ceramic and coloring.