Gallium(III) hydroxide

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
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.521 Edit this at Wikidata
UNII
  • 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).
☒N verify (what is checkY☒N ?)

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]

References

  1. ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–188. ISBN 978-1138561632.
  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
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