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Names | |
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IUPAC name Erbium tetraboride | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.032.331 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) | |
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Properties | |
B4Er | |
Molar mass | 210.50 g·mol−1 |
Melting point | 2,360 °C; 4,280 °F; 2,633 K [1] |
Related compounds | |
Related compounds | Erbium hexaboride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Erbium tetraboride is a boride of the lanthanide metal erbium with the chemical formula ErB4. [2] It is hard and has a high melting point. Industrial applications of erbium boride include use in semiconductors, gas turbine blades, and rocket engine nozzles. [3]