|Molar mass||145.90 g mol−1|
|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)|
|Solubility in acid||soluble|
Refractive index (nD)
|1.51 (500 nm)|
|Crystal structure||Orthorhombic, oP16, SpaceGroup = Pnma, No. 62|
|EU Index||Not listed|
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
|what is: / ?)(|
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.
- Y(OH)3 + 3HF → YF3 + 3H2O
Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films, glasses and ceramics.
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