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
CAS Number	12023-99-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	8329553 ;
ECHA InfoCard	100.031.521
PubChem CID	10154045;
UNII	S3PJW60NUM ;
CompTox Dashboard (EPA)	DTXSID90152744 ;
	InChI InChI=1S/Ga.3H2O/h;31H2/q+3;;;/p-3 Key: DNUARHPNFXVKEI-UHFFFAOYSA-K ; InChI=1/Ga.3H2O/h;31H2/q+3;;;/p-3 Key: DNUARHPNFXVKEI-DFZHHIFOAG;
	SMILES [Ga+3].[OH-].[OH-].[OH-];
Properties
Chemical formula	Ga(OH)3
Molar mass	120.7437 g/mol
Solubility product (Ksp)	7.28×10−36
Related compounds
Other cations	Boric acid; Aluminium hydroxide; Indium(III) hydroxide; Thallium(III) hydroxide;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Gallium hydroxide is an inorganic compound with the chemical formula Ga(O H)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

^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–188. ISBN 978-1138561632.
^ ^a ^b Anthony John Downs, (1993), Chemistry of Aluminium, Gallium, Indium, and Thallium, Springer, ISBN 978-0-7514-0103-5
^ Crystal Structure of a new mineral söhngeite, J.D. Scott, The American Mineralogist, (1971), 56, 355

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