Aluminium selenide
chemical compound
Aluminium selenide, also known as aluminum selenide or aluminium(III) selenide, is a chemical compound. Its chemical formula is Al2Se3. It contains aluminium in its +3 oxidation state. It contains aluminium and selenide ions.
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| Other names
Aluminium(III) selenide
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| Identifiers | ||
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3D model (JSmol)
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| ChemSpider | ||
| ECHA InfoCard | 100.013.737 | |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | ||
| Al2Se3 | ||
| Molar mass | 290.84 g/mol | |
| Appearance | yellow to brown powder | |
| Odor | odorless | |
| Density | 3.437 g/cm3 | |
| Melting point | 947 °C (1,737 °F; 1,220 K) | |
| decomposes | ||
| Structure | ||
| Monoclinic, mS20, Space group Cc, No. 9[2] | ||
| Thermochemistry | ||
| Std enthalpy of formation ΔfH |
-566.9 kJ/mol | |
| Standard molar entropy S |
154.8 J/mol K | |
| Hazards | ||
| EU classification | not listed | |
| NFPA 704 |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | ||
| Infobox references | ||
Properties change
It reacts with water to make hydrogen selenide. It is a reducing agent and can burn to make aluminium oxide and selenium dioxide.
Preparation change
It is made by reacting selenium with aluminium powder at a high temperature.
Uses change
It is used to make hydrogen selenide.
Related pages change
References change
- ↑ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–40. ISBN 0-8493-0594-2.
- ↑ Steigmann, G. A.; Goodyear, J. (1966). "The crystal structure of Al2Se3". Acta Crystallographica. 20 (5): 617–619. doi:10.1107/S0365110X66001506.