Radium azide
Preferred IUPAC name
Radium azide
3D model (JSmol)
  • InChI=1S/Ra.2N3/c;2*1-3-2/q+2;2*-1
  • [Ra+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-]
Molar mass 310 g·mol−1
Appearance white crystalline solid
Related compounds
Related compounds
Barium azide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Radium azide is an inorganic compound of radium and nitrogen with the chemical formula Ra(N3)2.[1]


Radium azide can be prepared by dissolving radium carbonate in aqueous hydrazoic acid and evaporating the resulting solution.[2][3]

Physical properties

Radium azide forms white crystalline solid.[2]

Chemical properties

The compound decomposes when heated to 180–250 °C:[4][5]

Ra(N3)2 → Ra + 3N2


  1. ^ Kubach, Isa (1977). Radium: Supplement volume. Springer-Verlag. p. 360. ISBN 978-0-387-93335-1. Retrieved 15 June 2023.
  2. ^ a b Bagnall, K. W. (1957). Chemistry of the Rare Radioelements: Polonium-actinium. Butterworths Scientific Publications. p. 143. Retrieved 15 June 2023.
  3. ^ Vdovenko, Viktor Mikhaĭlovich (1973). Аналитическая химия радия (in Russian). "Наука, "Ленингр. отд-ние. p. 36. Retrieved 15 June 2023.
  4. ^ Mellor, Joseph William (1923). A Comprehensive Treatise on Inorganic and Theoretical Chemistry. Longmans, Green and Company. p. 64. Retrieved 15 June 2023.
  5. ^ Britain, Royal Institution of Great (1914). Proceedings. Royal Institution of Great Britain. p. 155. Retrieved 15 June 2023.