Difference between revisions of "Aluminium oxide"
From Sciencemadness Wiki
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| Name =Aluminium oxide | | Name =Aluminium oxide | ||
| Reference = | | Reference = | ||
| − | | IUPACName = | + | | IUPACName =Dialuminum;oxygen(2-) |
| PIN = | | PIN = | ||
| SystematicName =Aluminium oxide | | SystematicName =Aluminium oxide | ||
| − | | OtherNames = | + | | OtherNames = Alumina<br>corundum<br>ruby<br>Saphire |
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| 3DMet = | | 3DMet = | ||
| Abbreviations = | | Abbreviations = | ||
| − | | SMILES = | + | | SMILES = [Al+3].[Al+3].[O-2].[O-2].[O-2] |
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| Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
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| − | '''Aluminium oxide''' or '''alumina''' is chemical compound of [[aluminum]] and [[oxygen]] with chemical formula '''Al<sub>2</sub>O<sub>3</sub>''' | + | '''Aluminium oxide''' or '''alumina''' is the chemical compound of [[aluminum]] and [[oxygen]], with chemical formula '''Al<sub>2</sub>O<sub>3</sub>'''. It's the most common and stable form of the aluminium oxides. Aluminium oxide occurs naturally in it's crystalline alpha phase as mineral '''corundum'''. |
| − | Aluminium oxide occurs naturally in it's crystalline alpha phase as mineral '''corundum'''. | + | |
==Properties== | ==Properties== | ||
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==Preparation== | ==Preparation== | ||
Aluminium oxide is a product of [[thermite]] reaction: | Aluminium oxide is a product of [[thermite]] reaction: | ||
| − | M<sub>2</sub>O<sub>3</sub> + | + | :M<sub>2</sub>O<sub>3</sub> + 2 Al → Al<sub>2</sub>O<sub>3</sub> + 2 M |
==Projects== | ==Projects== | ||
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Avoid inhalating the dust. | Avoid inhalating the dust. | ||
Aluminium oxide isn't flamable or explosive. | Aluminium oxide isn't flamable or explosive. | ||
| + | |||
===Storage=== | ===Storage=== | ||
Storage in closed bottles is adequate. | Storage in closed bottles is adequate. | ||
| + | |||
===Disposal=== | ===Disposal=== | ||
Aluminium oxide could be safely dumped with normal trash or spilled out in a soil. | Aluminium oxide could be safely dumped with normal trash or spilled out in a soil. | ||
Revision as of 19:02, 23 February 2016
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This article is a stub. Please help Sciencemadness Wiki by expanding it, adding pictures, and improving existing text.
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| Names | |
|---|---|
| IUPAC name
Dialuminum;oxygen(2-)
| |
| Systematic IUPAC name
Aluminium oxide | |
| Other names
Alumina
corundum ruby Saphire | |
| Identifiers | |
| Jmol-3D images | Image |
| |
| Properties | |
| Al2O3 | |
| Appearance | white solid |
| Density | 3.95–4.1 g/cm3 |
| Melting point | 2,072 °C (3,762 °F; 2,345 K) |
| Boiling point | 2,977 °C (5,391 °F; 3,250 K) |
| insoluble | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Aluminium oxide or alumina is the chemical compound of aluminum and oxygen, with chemical formula Al2O3. It's the most common and stable form of the aluminium oxides. Aluminium oxide occurs naturally in it's crystalline alpha phase as mineral corundum.
Contents
Properties
Chemical
Physical
Aluminium oxide is very hard solid (9 Mohs scale). It's electrical insulator.
Availability
Aluminium oxide is often present in sandpapers, you can also buy it from mineral collectors as corrundum or gemstones like ruby or saphire.
Preparation
Aluminium oxide is a product of thermite reaction:
- M2O3 + 2 Al → Al2O3 + 2 M
Projects
Handling
No special handling is necessary.
Safety
Avoid inhalating the dust. Aluminium oxide isn't flamable or explosive.
Storage
Storage in closed bottles is adequate.
Disposal
Aluminium oxide could be safely dumped with normal trash or spilled out in a soil.
References
Relevant Sciencemadness threads
Categories:
- Article stubs
- Chemical pages without CAS Registry Number
- Articles without EBI source
- Chemical pages without ChemSpiderID
- Chemical pages without DrugBank identifier
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- Articles without InChI source
- Articles without UNII source
- Articles containing unverified chemical infoboxes
- Chembox articles without image
- Chemical compounds
- Inorganic compounds
- Aluminium compounds
- Oxides
- Materials unstable in acidic solution
- Materials unstable in basic solution
- Solids
- Minerals
