Lanthanum(III) chloride

Lanthanum(III) chloride
	Anhydrous
Names
	Other names Lanthanum trichloride
Identifiers
CAS Number	10099-58-8 ; 10025-84-0 (heptahydrate) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:231515;
ChemSpider	58275 ;
ECHA InfoCard	100.030.202
EC Number	233-237-5;
PubChem CID	64735;
UNII	04M8624OXV ; 936G1MX96X (heptahydrate) ;
CompTox Dashboard (EPA)	DTXSID2051502 ;
	InChI InChI=1S/3ClH.La/h31H;/q;;;+3/p-3 Key: ICAKDTKJOYSXGC-UHFFFAOYSA-K ; InChI=1/3ClH.La/h31H;/q;;;+3/p-3 Key: ICAKDTKJOYSXGC-DFZHHIFOAJ;
	SMILES Cl[La](Cl)Cl;
Properties
Chemical formula	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
Melting point	858 °C (1,576 °F; 1,131 K) (anhydrous)
Boiling point	1,000 °C (1,830 °F; 1,270 K) (anhydrous)
Solubility in water	957 g/L (25 °C)
Solubility	soluble in ethanol (heptahydrate)
Structure
Crystal structure	hexagonal (UCl3 type), hP8
Space group	P63/m, No. 176
Lattice constant	a = 0.74779 nm, b = 0.74779 nm, c = 0.43745 nm
Formula units (Z)	2
Coordination geometry	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). verify (what is ?) Infobox references

Lanthanum chloride is the inorganic compound with the formula La Cl₃. 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.