Chemistry:Aluminium hydroxide oxide

Aluminium hydroxide oxide

Names
IUPAC name Aluminium hydroxide oxide
Systematic IUPAC name Hydroxidooxidoaluminium (additive)
Other names Metaaluminic acid
Identifiers
CAS Number	24623-77-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:30188 Y
ChemSpider	30148 Y
EC Number	246-368-8
Gmelin Reference	463741
PubChem CID	32524
UNII	NZO8Q0FP2E Y
InChI InChI=1S/Al.H2O.O/h;1H2;/q+1;;/p-1 Y Key: FAHBNUUHRFUEAI-UHFFFAOYSA-M Y
SMILES O[Al]=O
Properties
Chemical formula	AlHO2
Molar mass	59.988 g·mol−1
Appearance	White powder
Odor	Odorless
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).
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Infobox references

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.

List of related compounds and minerals

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

• aluminium oxides
  • corundum (Al
    2O
    3)
• aluminium oxide hydroxides
  • diaspore (α-AlO(OH))
  • boehmite or böhmite (γ-AlO(OH))
  • akdalaite (5Al
    2O
    3 · H₂O) (once believed to be 4Al
    2O
    3 · H₂O), also called tohdite
• aluminium hydroxides
  • gibbsite (often designated as γ-Al(OH)
    3, but sometimes as α-Al(OH)
    3, sometimes called hydrargillite or hydrargyllite)
  • bayerite (designated often as α-Al(OH)
    3 but sometimes as β-Al(OH)
    3)
  • doyleite
  • nordstrandite