|   | |
| Names | |
|---|---|
| IUPAC name Phosphanylidyneyttrium | |
| Other names Yttrium phosphide, yttrium(III) phosphide. | |
| Identifiers | |
| 3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.032.318 | 
| EC Number | 
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|  PubChem CID | |
|  CompTox Dashboard (EPA) | |
| 
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| 
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| Properties | |
| PY | |
| Molar mass | 119.879600 | 
| Appearance | Colourless solid | 
| Density | 4.35 g/cm3 [1] | 
| Melting point | 200.78 °C (393.40 °F; 473.93 K) | 
| Boiling point | 511.30 °C (952.34 °F; 784.45 K) | 
| Structure [2] | |
| Rock salt structure | |
| Fm3m | |
| a = 0.5661 nm | |
|  Formula units (Z) | 4 | 
| Octahedral at Y3+, Octahedral at P3- | |
| Related compounds | |
| Other anions  | Yttrium nitride Yttrium(III) arsenide Yttrium(III) antimonide | 
| Other cations  | Scandium phosphide Lutetium phosphide | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Yttrium phosphide is an inorganic compound of yttrium and phosphorus with the chemical formula YP. [3] [4] [5] The compound may be also classified as yttrium(III) phosphide.
Heating (500–1000 °C) of pure substances in a vacuum: [6]
Yttrium phosphide forms cubic crystals. [1]
Ytttium phosphide is a semiconductor used in laser diodes, and in high power and frequency applications.