Holmium(III) hydroxide

Holmium(III) hydroxide is an inorganic compound with the chemical formula Ho(OH)₃.

Holmium(III) hydroxide

Identifiers
CAS Number	12054-57-8 Y
3D model (JSmol)	Interactive image
ChemSpider	9485420 Y
ECHA InfoCard	100.031.814
EC Number	235-009-0
PubChem CID	11310452
CompTox Dashboard (EPA)	DTXSID10923458
InChI InChI=1S/Ho.3H2O/h;3*1H2/q+3;;;/p-3 Key: LCTWRNOEZKTLGG-UHFFFAOYSA-K
SMILES [Ho+3].[OH-].[OH-].[OH-]
Properties
Chemical formula	Ho(OH)3
Molar mass	215.938541
Appearance	yellow solid
Related compounds
Other anions	holmium oxide
Other cations	dysprosium(III) hydroxide erbium(III) hydroxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical properties

Holmium(III) hydroxide reacts with acids to produce holmium(III) salts:

Ho(OH)₃ + 3 H⁺ → Ho³⁺ + 3 H₂O

Holmium(III) hydroxide undergoes thermal decomposition to HoO(OH) at elevated temperatures. Further decomposition at higher temperatures produces Ho₂O₃.