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Neptunium(III) chloride or neptunium trichloride is an inorganic compound with a chemical formula NpCl3. This salt is strongly radioactive.
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| Names | |
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| IUPAC name
Neptunium(III) chloride
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| Other names
Neptunium trichloride
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| NpCl3 | |
| Molar mass | 343.41 g/mol |
| Appearance | green solid[1] |
| Density | 5.58g/cm3 |
| Melting point | 800 °C (1,470 °F; 1,070 K)[2][1] |
| Related compounds | |
Other anions
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Neptunium(III) fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Production
editNeptunium(III) chloride can be produced by reducing neptunium(IV) chloride by ammonia or hydrogen at 350~400 °C:[1]
- 2 NpCl4 + H2 → 2 NpCl3 + 2 HCl
Chemical properties
editNeptunium(III) chloride hydrolyzes at 450 °C and forms an oxychloride NpOCl.[1]
References
edit- ^ a b c d 《无机化学丛书》.第十卷 锕系 锕系后元素. 张青莲 等. 科学出版社. 8.3.2 镎的卤化物. 2.氯化物 . P160. ISBN 978-7-03-030572-5
- ^ Arnold F. Holleman, Nils Wiberg: Lehrbuch der Anorganischen Chemie, 102. Auflage, de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1, S. 1969.