Thorium_hydroxide
Thorium(IV) hydroxide
Chemical compound
Thorium(IV) hydroxide is an inorganic compound with a chemical formula Th(OH)4.
Quick Facts Names, Identifiers ...
| Names | |
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| IUPAC name
Thorium(IV) hydroxide | |
| Identifiers | |
3D model (JSmol) |
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| ECHA InfoCard | 100.034.097  |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| Th(OH)4 | |
| Molar mass | 300.07 |
| Appearance | white solid[1] |
| Related compounds | |
Other anions |
thorium dioxide thorium nitrate |
Other cations |
cerium(IV) hydroxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Thorium(IV) hydroxide can be produced by reacting sodium hydroxide and soluble thorium salts.[1]
New thorium(IV) hydroxide is soluble in acid but its solubility will decrease when older.[1]
Thorium(IV) hydroxide will break up at high temperature and produce thorium dioxide:
- Th(OH)4 → ThO2 + 2 H2O
At high pressure, thorium(IV) hydroxide reacts with carbon dioxide, and produce thorium carbonate hemihydrate.[2]
- 《无机化合物制备手册》.朱文祥 主编.化学工业出版社. P143. 【III-251】氢氧化钍（thorium hydroxide）
- H. Ehrhardt, H. Seidel, H. Schweer (March 1980). "Hochdrucksynthesen einiger Carbonate mit überkritischem CO2". Zeitschrift für anorganische und allgemeine Chemie (in German). 462 (1): 185–198. doi:10.1002/zaac.19804620121. ISSN 0044-2313. Retrieved 2019-11-23.
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