Neodymium fluoride

Neodymium(III) fluoride
Names
	Other names Neodymium trifluoride
Identifiers
CAS Number	13709-42-7;
3D model (JSmol)	Interactive image;
ChemSpider	75499;
ECHA InfoCard	100.033.852
EC Number	237-253-3;
PubChem CID	83676;
CompTox Dashboard (EPA)	DTXSID7065592 ;
	InChI InChI=1S/3FH.Nd/h3*1H;/q;;;+3/p-3 Key: XRADHEAKQRNYQQ-UHFFFAOYSA-K;
	SMILES F[Nd](F)F;
Properties
Chemical formula	NdF3
Molar mass	201.24 g/mol
Appearance	vibrant pink/violet solid
Density	6.5g/cm3
Melting point	1,374 °C (2,505 °F; 1,647 K)
Structure
Coordination geometry	Tricapped trigonal prismatic; (nine-coordinate)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H315, H319, H332, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Neodymium(III) fluoride is an inorganic chemical compound of neodymium and fluorine with the formula NdF₃. It is a purplish pink colored solid with a high melting point. Like other lanthanide fluorides it is highly insoluble in water which allows it to be synthesised from aqueous neodymium nitrate via a reaction with hydrofluoric acid, from which it precipitates as a hydrate:^[1]

Nd(NO₃)_3(aq) + 3 HF → NdF₃•½H₂O + 3 HNO₃

Anhydrous material may be obtained by the simple drying of the hydrate, in contrast to the hydrates of other neodymium halides, which form mixed oxyhalides if heated.^[1]

References[]

^ ^a ^b Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the elements (2nd ed.). Butterworth-Heinemann. p. 1240. ISBN 0-7506-3365-4.

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[greenshaw-1] Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the elements (2nd ed.). Butterworth-Heinemann. p. 1240. ISBN 0-7506-3365-4.

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