Promethium(III) nitrate is an inorganic compound, a salt of promethium and nitric acid with the chemical formula Pm(NO3)3. The compound is radioactive, soluble in water[1] and forms crystalline hydrates.[2]
_nitrate_hydrate.jpg) Hydrate
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| Names | |
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| Other names
Promethium trinitrate, Promethium nitrate
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| Pm(NO3)3 | |
| Molar mass | 206.918 g/mol |
| Appearance | Purple-pink solid (hydrate) |
| Soluble | |
| Hazards | |
| GHS labelling: | |
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| Related compounds | |
Related compounds
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Samarium(III) nitrate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
editReaction of promethium and nitric acid:
- Pm + 6 HNO3 → Pm(NO3)3 + 3 NO2 + 3 H2O
Physical properties
editPromethium(III) nitrate hydrate forms a purple-pink solid.[2][3]
It forms crystalline hydrates of the composition Pm(NO3)3·6H2O.[4]
Chemical properties
editPromethium(III) nitrate thermally decomposes to form promethium(III) oxide.[5]
References
edit- ^ Бекман, Игорь (1 July 2021). Радиохимия в 2 т. Т. 1 Фундаментальная радиохимия. Учебник и практикум для академического бакалавриата (in Russian). Litres. p. 157. ISBN 978-5-04-026362-2. Retrieved 20 August 2021.
- ^ a b Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3619. ISBN 978-0-412-30120-9. Retrieved 20 August 2021.
- ^ Driscoll, Darren M.; White, Frankie D.; Pramanik, Subhamay; Einkauf, Jeffrey D.; Ravel, Bruce; Bykov, Dmytro; Roy, Santanu; Mayes, Richard T.; Delmau, Lætitia H.; Cary, Samantha K.; Dyke, Thomas; Miller, April; Silveira, Matt; VanCleve, Shelley M.; Davern, Sandra M. (May 2024). "Observation of a promethium complex in solution". Nature. 629 (8013): 819–823. Bibcode:2024Natur.629..819D. doi:10.1038/s41586-024-07267-6. ISSN 1476-4687. PMC 11111410. PMID 38778232.
- ^ Chemistry, session C. U.S. Department of Commerce. 1965. p. 114. Retrieved 20 August 2021.
- ^ Orr, P. B. (1965). Evidence of the Absence of Long-lived Isotopes of Promethium from Fission of Uranium, and the Purification of Promethium for the Establishment of a Primary Spectrographic Standard. Oak Ridge National Laboratory. p. 10. Retrieved 20 August 2021.