Dysprosium(III) fluoride

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

Dysprosium(III) fluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.615
EC Number
  • 236-992-9
  • InChI=1S/Dy.3FH/h;3*1H/q+3;;;/p-3
    Key: FWQVINSGEXZQHB-UHFFFAOYSA-K
  • F[Dy](F)F
Properties
DyF3
Molar mass 219.50
Density 7.45 g·cm−3
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
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.


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