Cerium(III) hydroxide
Appearance
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Names | |
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IUPAC name
Cerium(III) hydroxide
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Other names
Cerium trihydroxide
Cerous hydroxide | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.036.241 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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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).
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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
[edit]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↑