Aluminium selenide facts for kids
Quick facts for kids Aluminium selenide |
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| Other names | Aluminium(III) selenide |
| Identifiers | |
| CAS number | |
| PubChem | |
| EC number | 215-110-6 |
| SMILES | [Al+3].[Al+3].[Se-2].[Se-2].[Se-2] |
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InChI
InChI=1/2Al.3Se/q2*+3;3*-2
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| Properties | |
| Molecular formula | Al2Se3 |
| Molar mass | 290.84 g/mol |
| Appearance | yellow to brown powder |
| Odor | odorless |
| Density | 3.437 g/cm3 |
| Melting point |
947 °C, 1220 K, 1737 °F |
| Solubility in water | decomposes |
| Structure | |
| Crystal structure | Monoclinic, mS20, Space group Cc, No. 9 |
| 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 |
0
3
3
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| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
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.
Contents
Properties
It reacts with water to make hydrogen selenide. It is a reducing agent and can burn to make aluminium oxide and selenium dioxide.
Preparation
It is made by reacting selenium with aluminium powder at a high temperature.
Uses
It is used to make hydrogen selenide.
Related pages
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Aluminium selenide Facts for Kids. Kiddle Encyclopedia.