Praseodymium chloride is an inorganic compound, chemical formula PrCl3, blue-green powder, easy to absorb moisture, soluble in water, ethanol. Its melting point is 786 ° C and its boiling point is 1700 ° C. Praseodymium chloride is widely used in many fields, it can be used as a petroleum catalyst, can also be used to make metal praseodymium and praseodymium compounds, and can be used to color glass and ceramics. In addition, praseodymium chloride is also used as a chemical reagent and plays an important role in scientific research and biochemical research. It is worth noting that praseodymium chloride may be harmful to the environment, and special attention should be paid to water bodies. When using and storing praseodymium chloride, it is necessary to follow the specifications to avoid its decomposition or other adverse effects.