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Gallium(III) hydroxide

Summary

Gallium hydroxide is an inorganic compound with the chemical formula Ga(OH)3. It is formed as a gel following the addition of ammonia to Ga3+ salts.[2] It is also found in nature as the rare mineral söhngeite which is reported to contain octahedrally coordinated gallium atoms.[3] Gallium hydroxide is amphoteric. In strongly acidic conditions, the gallium ion, Ga3+ is formed. In strongly basic conditions, [Ga(OH)4]− (tetrahydroxogallate(III)) is formed. Salts of [Ga(OH)4]− are sometimes called gallates.[2]

Gallium(III) hydroxide
Gallium(III) hydroxide
Names
IUPAC name
Gallium(III) hydroxide
Systematic IUPAC name
Trihydroxidogallium
Other names
Gallium trihydroxide
Orthogallic acid
Inorganic gallic acid
Identifiers
  • 12023-99-3 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 8329553 checkY
ECHA InfoCard 100.031.521 Edit this at Wikidata
  • 10154045
UNII
  • S3PJW60NUM checkY
  • DTXSID90152744 Edit this at Wikidata
  • InChI=1S/Ga.3H2O/h;3*1H2/q+3;;;/p-3 checkY
    Key: DNUARHPNFXVKEI-UHFFFAOYSA-K checkY
  • InChI=1/Ga.3H2O/h;3*1H2/q+3;;;/p-3
    Key: DNUARHPNFXVKEI-DFZHHIFOAG
  • [Ga+3].[OH-].[OH-].[OH-]
Properties
Ga(OH)3
Molar mass 120.7437 g/mol
7.28×10−36[1]
Related compounds
Other cations
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

References edit

  1. ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–188. ISBN 1138561630.
  2. ^ a b Anthony John Downs, (1993), Chemistry of Aluminium, Gallium, Indium, and Thallium, Springer, ISBN 978-0-7514-0103-5
  3. ^ Crystal Structure of a new mineral söhngeite, J.D. Scott, The American Mineralogist, (1971), 56, 355