Back لانتان (III) کولورید AZB Chlorid lanthanitý Czech Lanthanchlorid German Cloruro de lantano (III) Spanish لانتان (III) کلرید Persian Lantaanikloridi Finnish Chlorure de lanthane(III) French Lantanum(III) klorida ID Cloruro di lantanio(III) Italian Lanthaan(III)chloride Dutch

Lanthanum(III) chloride

Lanthanum(III) chloride
Lanthanum(III) chloride
Anhydrous
Names
Other names
Lanthanum trichloride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.030.202 Edit this at Wikidata
EC Number
  • 233-237-5
UNII
  • InChI=1S/3ClH.La/h3*1H;/q;;;+3/p-3 checkY
    Key: ICAKDTKJOYSXGC-UHFFFAOYSA-K checkY
  • InChI=1/3ClH.La/h3*1H;/q;;;+3/p-3
    Key: ICAKDTKJOYSXGC-DFZHHIFOAJ
  • Cl[La](Cl)Cl
Properties
LaCl3
Molar mass 245.264 g/mol (anhydrous)
353.36 g/mol (hexahydrate)
371.37 g/mol (heptahydrate)
Appearance white odorless powder
hygroscopic
Density 3.84 g/cm3[1]
Melting point 858 °C (1,576 °F; 1,131 K) (anhydrous)[1]
Boiling point 1,000 °C (1,830 °F; 1,270 K) (anhydrous)
957 g/L (25 °C)[1]
Solubility soluble in ethanol (heptahydrate)
Structure[2]
hexagonal (UCl3 type), hP8
P63/m, No. 176
a = 0.74779 nm, b = 0.74779 nm, c = 0.43745 nm
2
Tricapped trigonal prismatic,(nine-coordinate)
Related compounds
Other anions
 Lanthanum oxide
Other cations
 Cerium(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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Lanthanum chloride is the inorganic compound with the formula LaCl3. It is a common salt of lanthanum which is mainly used in research. It is a white solid that is highly soluble in water and alcohols.

  1. ^ a b c Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). CRC Press. p. 4.69. ISBN 978-1439855119.
  2. ^ Morosin, B (1968). "Crystal Structures of Anhydrous Rare-Earth Chlorides". The Journal of Chemical Physics. 49 (7): 3007–3012. Bibcode:1968JChPh..49.3007M. doi:10.1063/1.1670543.
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