Lutetium(III) chloride or lutetium trichloride is the chemical compound composed of lutetium and chlorine with the formula LuCl3. It forms hygroscopic white monoclinic crystals[3] and also a hygroscopic hexahydrate LuCl3·6H2O.[6] Anhydrous lutetium(III) chloride has the YCl3 (AlCl3) layer structure with octahedral lutetium ions.[7]
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IUPAC name
Lutetium(III) chloride
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Other names
Lutetium chloride, lutetium trichloride
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Identifiers | |
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ECHA InfoCard | 100.030.205 |
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Properties | |
LuCl3 | |
Molar mass | 281.325 g/mol |
Appearance | colorless or white monoclinic crystals |
Density | 3.98 g/cm3 |
Melting point | 905 °C (1,661 °F; 1,178 K)[3] |
Boiling point | sublimes above 750°C[1] |
soluble[2] | |
Structure | |
Monoclinic, mS16 | |
C2/m, No. 12 | |
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Hazards | |
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Main hazards
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Irritant |
GHS labelling:[4][5] | |
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H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
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Related compounds | |
Other anions
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Lutetium(III) oxide |
Other cations
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Ytterbium(III) chloride Scandium(III) chloride Yttrium(III) chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Pure lutetium metal can be produced from lutetium(III) chloride by heating it together with elemental calcium:[8]