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Neodymium nitrate

From Wikipedia, the free encyclopedia
Inorganic chemical compound
Neodymium(III) nitrate
Names
Other names
Neodymium trinitrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard100.030.127Edit this at Wikidata
EC Number
  • 233-153-9
  • hexahydrate: InChI=1S/3NO3.Nd.6H2O/c3*2-1(3)4;;;;;;;/h;;;;6*1H2/q3*-1;+3;;;;;;
    Key: VQVDTKCSDUNYBO-UHFFFAOYSA-N
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Nd+3]
  • hexahydrate: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Nd+3]
Properties
  • Nd(NO3)3 (anhydrous)
  • Nd(NO3)3·6H2O (hexahydrate)
Molar mass
  • 330.25 g⋅mol−1 (anhydrous)
  • 438.34 g⋅mol−1 (hexahydrate)
Appearancevibrant pink/violet solid
Density6.5 g/cm3
Melting point55 °C (131 °F; 328 K)[1] (hexahydrate, melts in water of crystallization)
Structure[2]
triclinic
P1
a = 9.307 Å,b = 11.747 Å,c = 6.776 Å
α = 91.11°, β = 112.24°, γ = 109.15°
Values are for[Nd(NO3)3(H2O)4]·2H2O.
639.0 Å3
2
Hazards
GHS labelling:[4]
GHS03: OxidizingGHS07: Exclamation mark
Warning
H272,H315,H319,H335
P210,P220,P221,P261,P264,P271,P280,P302+P352,P304+P340+P312,P305+P351+P338,P332+P313,P337+P313,P362,P370+P378,P403+P233,P405,P501
NFPA 704 (fire diamond)
Lethal dose or concentration (LD, LC):
2750 mg/kg (oral, rat)[3]
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Neodymium nitrate is an inorganic salt with the formulaNd(NO3)3·x(H2O). It is typically encountered as thehexahydrate,Nd(NO3)3·6H2O. Itdecomposes toNdONO3 at elevated temperature.[5]

It is used in the extraction and purification of neodymium from its ores.[6]

References

[edit]
  1. ^Melnikov, P.; Arkhangelsky, I. V.; Nascimento, V. A.; de Oliveira, L. C. S.; Wandekoken, G. A.; de Albuquerque, D. Muniz (March 2020). "Thermoanalytical behavior of neodymium nitrate hexahydrate Nd(NO3)3·6H2O".Journal of Thermal Analysis and Calorimetry.139 (6):3493–3497.doi:10.1007/s10973-019-08748-x.
  2. ^Rogers, D.J.; Taylor, N.J.; Toogood, G.E. (1983). "Tetraaquatrinitratoneodymium(III) dihydrate, [Nd(NO3)3(H2O)4]·2H2O".Acta Crystallogr. C.39 (8):939–941.Bibcode:1983AcCrC..39..939R.doi:10.1107/S0108270183006927.
  3. ^ab"SDS - Neodymium(III) nitrate hexahydrate".fishersci.com. ThermoFisher Scientific. 29 March 2024. Retrieved3 December 2025.
  4. ^Sigma-Aldrich Co.,Neodymium(III) nitrate hexahydrate.
  5. ^Van Vuuren, C.P.J.; Strydom, C.A. (1986). "The thermal decomposition of neodymium nitrate".Thermochimica Acta.104:293–298.Bibcode:1986TcAc..104..293V.doi:10.1016/0040-6031(86)85204-2.ISSN 0040-6031.
  6. ^McGill, Ian (2000). "Rare Earth Elements".Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH.doi:10.1002/14356007.a22_607.ISBN 978-3-527-30673-2.
Nd(II)
Nd(III)
Nd(IV)
Salts and covalent derivatives of thenitrate ion
HNO3He
LiNO3Be(NO3)2B(NO3)−4RONO2
+CO3
+C2O4		NO3−
NH4NO3		HOONO2FNO3
+F		Ne
NaNO3Mg(NO3)2Al(NO3)3
Al(NO3)−4		SiP+SO4ClONO2
+Cl		Ar
KNO3Ca(NO3)2Sc(NO3)3Ti(NO3)4VO(NO3)3Cr(NO3)3Mn(NO3)2Fe(NO3)2
Fe(NO3)3		Co(NO3)2
Co(NO3)3		Ni(NO3)2CuNO3
Cu(NO3)2		Zn(NO3)2Ga(NO3)3GeAs+SeO3BrNO3
+Br		Kr
RbNO3Sr(NO3)2Y(NO3)3Zr(NO3)4NbO(NO3)3MoO2(NO3)2TcRu(NO3)3Rh(NO3)3Pd(NO3)2AgNO3Cd(NO3)2In(NO3)3Sn(NO3)4Sb4O4(OH)2(NO3)2TeINO3
+IO3		Xe(NO3)2
CsNO3Ba(NO3)2*Lu(NO3)3Hf(NO3)4TaO(NO3)3WO2(NO3)2ReO3NO3OsIr3O(NO3)10Pt(NO3)2
Pt(NO3)4		Au(NO3)−4Hg2(NO3)2
Hg(NO3)2		TlNO3
Tl(NO3)3		Pb(NO3)2Bi(NO3)3
BiO(NO3)		Po(NO3)4AtRn
FrNO3Ra(NO3)2**LrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
 
*La(NO3)3Ce(NO3)3
Ce(NO3)4		Pr(NO3)3Nd(NO3)3Pm(NO3)3Sm(NO3)3Eu(NO3)3Gd(NO3)3Tb(NO3)3Dy(NO3)3Ho(NO3)3Er(NO3)3Tm(NO3)3Yb(NO3)3
**Ac(NO3)3Th(NO3)4PaO(NO3)3U(NO3)4
UO2(NO3)2		Np(NO3)4
NpO(NO3)3
NpO2NO3
NpO2(NO3)2		Pu(NO3)3
Pu(NO3)4
PuO2(NO3)2		Am(NO3)3
AmO2(NO3)2		Cm(NO3)3Bk(NO3)3Cf(NO3)3Es(NO3)3FmMdNo


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