Actinium(III) nitrate


Actinium(III) nitrate is an inorganic compound, actinium salt of nitric acid with the chemical formula Ac(NO3)3. The compound looks like white substance, readily soluble in water.[1]

Actinium(III) nitrate

The glass is discolored due to the high radiation of actinium
Other names
Actinium nitrate
  • 211179-74-7 checkY
3D model (JSmol)
  • Interactive image
  • 129641620
  • InChI=1S/Ac.3NO3/c;3*2-1(3)4/q;3*-1
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Ac]
Molar mass 413.04
Appearance White substance
GHS labelling:
Related compounds
Related compounds
Thorium(IV) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis edit

Actinium nitrate can be obtained by dissolving actinium or actinium hydroxide in nitric acid.


Properties edit

Actinium(III) nitrate decomposes on heating above 600 °C:


This salt is used as a source of Ac3+ ions to obtain insoluble actinium compounds by precipitation from aqueous solutions.[2]

References edit

  1. ^ Ferrier, Maryline G.; Stein, Benjamin W.; Batista, Enrique R.; Berg, John M.; Birnbaum, Eva R.; Engle, Jonathan W.; John, Kevin D.; Kozimor, Stosh A.; Lezama Pacheco, Juan S.; Redman, Lindsay N. (22 March 2017). "Synthesis and Characterization of the Actinium Aquo Ion". ACS Central Science. 3 (3): 176–185. doi:10.1021/acscentsci.6b00356. ISSN 2374-7943. PMC 5364452. PMID 28386595.
  2. ^ Salutsky, M. L.; Kirby, H. W. (1 November 1956). "Precipitation of Actinium Oxalate from Homogeneous Solution". Analytical Chemistry. 28 (11): 1780–1782. doi:10.1021/ac60119a044. ISSN 0003-2700. Retrieved 18 August 2021.