Aluminium hydroxide oxide

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Aluminium hydroxide oxide
Names
IUPAC name
Aluminium hydroxide oxide
Systematic IUPAC name
Hydroxidooxidoaluminium[1] (additive)
Other names
Metaaluminic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
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EC Number
  • 246-368-8
E number Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value).
463741
UNII
  • {{#property:P3117}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
  • InChI=1S/Al.H2O.O/h;1H2;/q+1;;/p-1 checkY
    Key: FAHBNUUHRFUEAI-UHFFFAOYSA-M checkY
  • O[Al]=O
Properties
AlHO2
Molar mass 59.988 g·mol−1
Appearance White powder[2]
Odor Odorless[2]
Density 3.01 g/cm3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Aluminium hydroxide oxide or aluminium oxyhydroxide, AlO(OH) is found as one of two well defined crystalline phases, which are also known as the minerals boehmite and diaspore. The minerals are important constituents of the aluminium ore, bauxite.[3]

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The aluminium oxides, oxide hydroxides, and hydroxides can be summarized as follows:

  • aluminium oxides
    • corundum (Al2O3)
  • aluminium oxide hydroxides
    • diaspore (α-AlO(OH))
    • boehmite or böhmite (γ-AlO(OH))
    • akdalaite (5Al2O3·H2O) (once believed to be 4Al2O3·H2O), also called tohdite
  • aluminium hydroxides
    • gibbsite (often designated as γ-Al(OH)3, but sometimes as α-Al(OH)3,[4] sometimes called hydrargillite or hydrargyllite)
    • bayerite (designated often as α-Al(OH)3 but sometimes as β-Al(OH)3)
    • doyleite
    • nordstrandite

References

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  4. ^ N.N. Greenwood and A. Earnshaw, "Chemistry of Elements", 2nd edition, Butterworth and Heinemann, 1997.
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