Formula HoCl3 Density 3.7 g/cm³ Melting point 720 °C | Molar mass 271.2 g/mol Boiling point 1,500 °C | |
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Appearance yellow crystals; hygroscopic | ||
Holmium(III) chloride is the inorganic compound with the formula HoCl3. It is a common salt but is mainly used in research. It exhibits the same color-changing behavior seen in holmium oxide, being a yellow in natural lighting and a bright pink color in fluorescent lighting.
Contents
Preparation
It forms upon union of the elements, but a more commonly used method involves heating a mixture of holmium(III) oxide and ammonium chloride at 200-250 °C:
Ho2O3 + 6 NH4Cl → 2 HoCl3 + 6 NH3 + 2 H2OStructure
In the solid state it has the YCl3 layer structure.
References
Holmium(III) chloride Wikipedia(Text) CC BY-SA