Ammonium neodymium nitrate

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Ammonium neodymium nitrate
Names
IUPAC name
diazanium;neodymium(3+);pentanitrate
Other names
Diammonium neodymium nitrate, diammonium neodymium pentanitrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.095 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 239-721-2
PubChem CID
  • InChI=1S/5NO3.2H3N.Nd/c5*2-1(3)4;;;/h;;;;;2*1H3;/q5*-1;;;+3/p+2
    Key: GHPKFTYZEPZTAF-UHFFFAOYSA-P
  • [NH4+].[NH4+].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Nd+3]
  • tetrahydrate:[NH4+].[NH4+].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Nd+3].O.O.O.O
Properties
H8N7NdO15
Molar mass 490.340 g·mol−1
Appearancered-violet crystals (hydrate)
soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ammonium neodymium nitrate is a chemical compound with the chemical formula Nd(NH4)2(NO3)5. [1] [2] [3] The compound is classified as a rare earth metal salt, belonging to nitrates. [4]

Contents

Synthesis

The compound can be prepared by the reaction of neodymium oxide, nitric acid, and ammonium nitrate. [5]

Also, it can be made by a reaction of neodymium oxide or neodymium carbonate with ammonium nitrate, releasing water as a byproduct: [4]

Nd2​O3​ + 6NH4​NO3 ​ → 2(NH4​)2​Nd(NO3​)5 + 3H2​O

Physical properties

Ammonium neodymium nitrate is soluble in water.

The compound forms a tetrahydrate of the composition Nd(NH4)2(NO3)5 • 4H2O—red-violet crystals that melt in their own crystallization water at 47 °C.

Chemical properties

The compound reacts with strong acids to form soluble complexes. It can release nitrogen oxides when decomposed. [4]

Uses

Ammonium neodymium nitrate is used as a precursor for the synthesis of many other neodymium compounds and also as a reagent for various chemical reactions. [5]

References

  1. ↑ Einecs (European Inventory of Existing Commercial Chemical Substances). Office for Official Publications of the European Communities. 1990. p. 545. Retrieved 10 March 2025.
  2. ↑ "diammonium neodymium pentanitrate". chemsrc.com. Retrieved 10 March 2025.
  3. ↑ "CAS 15653-40-4 Diammonium neodymium pentanitrate - Alfa Chemistry". alfa-chemistry.com. Retrieved 10 March 2025.
  4. 1 2 3 "Buy Diammonium neodymium pentanitrate (EVT-13870826)". evitachem.com. Retrieved 11 March 2025.
  5. 1 2 "Buy Diammonium neodymium pentanitrate | | BenchChem". benchchem.com. Retrieved 11 March 2025.
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