Characteristic

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.

Chemical formula：PrCl₃

Molar mass： 247.24 g/mol (anhydrous)  373.77 g/mol (heptahydrate)

Appearance： blue-green solid (anhydrous)   light green solid (heptahydrate)

Density： 4.02 g/cm³ (anhydrous)  2.250 g/cm³ (heptahydrate)

Melting point： 786 °C (1,447 °F; 1,059 K)

Boiling point： 1,710 °C (3,110 °F; 1,980 K)

Solubility in water：104.0 g/100 ml (13 °C)

Magnetic susceptibility (χ)：+44.5·10⁻⁶ cm³/mol

Crystal structure：hexagonal

 

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