Yttrium(III) fluoride
Appearance
Names | |
---|---|
Other names
yttrium trifluoride
| |
Identifiers | |
3D model (JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.033.855 |
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
YF3 | |
Molar mass | 145.90 g mol−1 |
Appearance | white powder |
Density | 4.01 g cm−3 |
Melting point | 1,387 °C (2,529 °F; 1,660 K) |
Boiling point | 2,230 °C (4,050 °F; 2,500 K) |
insoluble | |
Solubility in acid | soluble |
Refractive index (nD)
|
1.51 (500 nm) |
Structure | |
Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 | |
Hazards | |
Flash point | Non-flammable |
Related compounds | |
Other anions
|
Yttrium(III) chloride Yttrium(III) bromide Yttrium(III) iodide |
Other cations
|
Scandium(III) fluoride Lanthanum(III) fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Yttrium(III) fluoride is an inorganic chemical compound with the chemical formula YF3. It is not known naturally in 'pure' form. The fluoride minerals containing essential yttrium include tveitite-(Y) (Y,Na)6Ca6Ca6F42 and gagarinite-(Y) NaCaY(F,Cl)6. Sometimes mineral fluorite contains admixtures of yttrium.
Synthesis
YF3 can be produced by reacting fluorine with yttria or yttrium hydroxide with hydrofluoric acid.
- Y(OH)3 + 3HF → YF3 + 3H2O
Uses
Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films, glasses and ceramics.
Hazards
Conditions/substances to avoid are: acids, active metals and moisture.
References