Ammonium neodymium nitrate

Ammonium neodymium nitrate
Names
	IUPAC name diazanium;neodymium(3+);pentanitrate
	Other names Diammonium neodymium nitrate, diammonium neodymium pentanitrate
Identifiers
CAS Number	15653-40-4 ;
3D model (JSmol)	Interactive image; tetrahydrate: Interactive image;
ChemSpider	21160394;
EC Number	239-721-2;
PubChem CID	57370190;
	InChI InChI=1S/5NO3.2H3N.Nd/c52-1(3)4;;;/h;;;;;21H3;/q5*-1;;;+3/p+2 Key: GHPKFTYZEPZTAF-UHFFFAOYSA-P;
	SMILES [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
Chemical formula	H8N7NdO15
Molar mass	490.340 g·mol−1
Appearance	red-violet crystals (hydrate)
Solubility in water	soluble
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Ammonium neodymium nitrate is a chemical compound with the chemical formula Nd(NH
4)
2(NO
3)
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]

Nd
2O
3 + 6NH
4NO
3 → 2(NH
4)
2Nd(NO
3)
5 + 3H
2O

Physical properties

Ammonium neodymium nitrate is soluble in water.

The compound forms a tetrahydrate of the composition Nd(NH
4)
2(NO
3)
5 • 4H
2O—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

↑ (in en) Einecs (European Inventory of Existing Commercial Chemical Substances). Office for Official Publications of the European Communities. 1990. p. 545. https://books.google.com/books?id=LcUkAQAAIAAJ&q=diammonium+neodymium+pentanitrate. Retrieved 10 March 2025.
↑ "diammonium neodymium pentanitrate" (in en). chemsrc.com. https://www.chemsrc.com/en/cas/15653-40-4_1626716.html.
↑ "CAS 15653-40-4 Diammonium neodymium pentanitrate - Alfa Chemistry". alfa-chemistry.com. https://www.alfa-chemistry.com/cas_15653-40-4.htm.
↑ ^4.0 ^4.1 ^4.2 "Buy Diammonium neodymium pentanitrate (EVT-13870826)". evitachem.com. https://www.evitachem.com/product/evt-13870826.
↑ ^5.0 ^5.1 "Buy Diammonium neodymium pentanitrate | | BenchChem" (in en). benchchem.com. https://www.benchchem.com/product/b13736542.

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Original source: https://en.wikipedia.org/wiki/Ammonium neodymium nitrate. Read more

[1] (in en) Einecs (European Inventory of Existing Commercial Chemical Substances). Office for Official Publications of the European Communities. 1990. p. 545. https://books.google.com/books?id=LcUkAQAAIAAJ&q=diammonium+neodymium+pentanitrate. Retrieved 10 March 2025.

[2] "diammonium neodymium pentanitrate" (in en). chemsrc.com. https://www.chemsrc.com/en/cas/15653-40-4_1626716.html.

[3] "CAS 15653-40-4 Diammonium neodymium pentanitrate - Alfa Chemistry". alfa-chemistry.com. https://www.alfa-chemistry.com/cas_15653-40-4.htm.

[EV-4] 4.0 ^4.1 ^4.2 "Buy Diammonium neodymium pentanitrate (EVT-13870826)". evitachem.com. https://www.evitachem.com/product/evt-13870826.

[BE-5] 5.0 ^5.1 "Buy Diammonium neodymium pentanitrate | | BenchChem" (in en). benchchem.com. https://www.benchchem.com/product/b13736542.

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