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 Edit this at Wikidata
EC Number
  • 239-721-2
  • InChI=1S/5NO3.2H3N.Nd/c5*2-1(3)4;;;/h;;;;;2*1H3;/q5*-1;;;+3/p+2
    Key: GHPKFTYZEPZTAF-UHFFFAOYSA-P
  • ..(=O)().(=O)().(=O)().(=O)().(=O)().
  • tetrahydrate: ..(=O)().(=O)().(=O)().(=O)().(=O)()..O.O.O.O
Properties
H8N7NdO15
Molar mass 490.340 g·mol−1
Appearance red-violet crystals (hydrate)
soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 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]

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]

Nd2O3 + 6NH4NO3 → 2(NH4)2Nd(NO3)5 + 3H2O

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. ^ a b c "Buy Diammonium neodymium pentanitrate (EVT-13870826)". evitachem.com. Retrieved 11 March 2025.
  5. ^ a b "Buy Diammonium neodymium pentanitrate | | BenchChem". benchchem.com. Retrieved 11 March 2025.