Lutetium(III) chloride

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Lutetium(III) chloride
IUPAC name
Lutetium(III) chloride
Other names
Lutetium chloride, lutetium trichloride
10099-66-8 YesY
ChemSpider 23297 YesY
Jmol-3D images Image
PubChem 24919
RTECS number OK8400000
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)[1]
Boiling point sublimes above 750°C[2]
Crystal structure Monoclinic, mS16
Space group C2/m, No. 12
Main hazards Xi (Irritant)
R-phrases R36/37/38
S-phrases S26, S36[4]
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g., calcium Special hazards (white): no codeNFPA 704 four-colored diamond
Related compounds
Other anions
Lutetium(III) oxide
Other cations
Ytterbium(III) chloride
Scandium(III) chloride
Yttrium(III) chloride
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

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.[1] Lutetium(III) chloride has the YCl3 (AlCl3) layer structure with octahedral lutetium ions.[5]


Pure lutetium metal can be produced from lutetium(III) chloride by heating it together with elemental calcium: [6]

2LuCl3 + 3Ca → 2Lu + 3CaCl2


  1. ^ a b Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, p. 472, ISBN 0-8493-0594-2, retrieved 2008-06-27 
  2. ^ "Chemistry: Periodic Table: Lutetium: compound data (lutetium (III) chloride)". WebElements. Retrieved 2008-06-27. 
  3. ^ Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 232, ISBN 0-8493-8671-3, retrieved 2008-06-27 
  4. ^ "450960 Lutetium(III) chloride anhydrous, powder, 99.99% trace metals basis". Sigma-Aldrich. Retrieved 2008-06-27. 
  5. ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
  6. ^ Patnaik, Pradyot (2004), Handbook of Inorganic Chemicals, Amsterdam: McGraw-Hill Professional, p. 244, ISBN 0-07-049439-8, retrieved 2008-06-27