Dysprosium(III) fluoride

Dysprosium(III) fluoride is an inorganic compound of dysprosium with a chemical formula DyF₃.

Dysprosium(III) fluoride

Identifiers
CAS Number	13569-80-7
3D model (JSmol)	Interactive image
ChemSpider	75417
ECHA InfoCard	100.033.615
EC Number	236-992-9
PubChem CID	83587
CompTox Dashboard (EPA)	DTXSID7065542
InChI InChI=1S/Dy.3FH/h;3*1H/q+3;;;/p-3 Key: FWQVINSGEXZQHB-UHFFFAOYSA-K
SMILES F[Dy](F)F
Properties
Chemical formula	DyF3
Molar mass	219.50
Density	7.45 g·cm^−3
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335
Related compounds
Other anions	Dysprosium(III) chloride, Dysprosium(III) bromide, Dysprosium(III) iodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Production

It can be produced by mixing dysprosium(III) chloride or dysprosium(III) carbonate into 40% hydrofluoric acid.[1]

DyCl₃ + 3 HF → DyF₃ + 3 HCl

Dy₂(CO₃)₃ + 6 HF → 2 DyF₃ + 3 H₂O + 3 CO₂

References

1. Wang Ya-jun, Suo Quan-ling, Hao Dong-sheng, Liu Qian, Guo Feng. 稀土氟化物的沉淀方法及组成研究 (in Chinese) (lit. Precipitation and composition of rare earth fluorides). Chinese Rare Earths, 2000, 21 (1): 14-18.