Cerium(III) hydroxide

Cerium(III) hydroxide
Names
IUPAC name
Cerium(III) hydroxide
Other names
Cerium trihydroxide
Cerous hydroxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.241
EC Number
  • 239-881-3
  • InChI=1S/Ce.3H2O/h;3*1H2/q+3;;;/p-3
    Key: UNJPQTDTZAKTFK-UHFFFAOYSA-K
  • [Ce+3].[OH-].[OH-].[OH-]
Properties
Ce(OH)3
Molar mass 191.148 g/mol
Appearance white crystals
insoluble
Acidity (pKa) 32.8[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Cerium(III) hydroxide is a hydroxide of the rare-earth metal cerium. It is a pale white powder with the chemical formula Ce(OH)3.[2]

Preparation

Cerium(III) hydroxide is prepared by the reaction of water on cerium metal at 90 °C:

2 Ce + 6 H2O → 2 Ce(OH)3↓ + 3 H2↑

References

  1. ^ Perrin, D. D., ed. (1982) [1969]. Ionisation Constants of Inorganic Acids and Bases in Aqueous Solution. IUPAC Chemical Data (2nd ed.). Oxford: Pergamon (published 1984). Entry 28. ISBN 0-08-029214-3. LCCN 82-16524.
  2. ^ PubChem.
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