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 Y

3D model (JSmol)

* Interactive image
* tetrahydrate: Interactive image

ChemSpider |

* 21160394

EC Number |

* 239-721-2

PubChem CID

* 57370190

InChI

* InChI=1S/5NO3.2H3N.Nd/c5*2-1(3)4;;;/h;;;;;2*1H3;/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

2(NO

5.[1][2][3] The compound is classified as a rare earth metal salt, belonging to nitrates.[4]

## Contents

* 1 Synthesis
* 2 Physical properties
* 3 Chemical properties
* 4 Uses
* 5 References

## 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]

3 \+ 6NH
4NO
3 → 2(NH

2Nd(NO

5 \+ 3H

## Physical properties

Ammonium neodymium nitrate is soluble in water.

The compound forms a tetrahydrate of the composition Nd(NH

2(NO

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

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.
4. ↑ 4.0 4.1 4.2 "Buy Diammonium neodymium pentanitrate (EVT-13870826)". evitachem.com. https://www.evitachem.com/product/evt-13870826.
5. ↑ 5.0 5.1 "Buy Diammonium neodymium pentanitrate | | BenchChem" (in en). benchchem.com. https://www.benchchem.com/product/b13736542.

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*[CID]: Compound ID