Neodymium nitrate
| Names | |
|---|---|
| Other names
Neodymium trinitrate
| |
| Identifiers | |
| |
3D model (JSmol)
|
|
| ChemSpider | |
| ECHA InfoCard | 100.030.127 |
| EC Number |
|
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
| Properties | |
| |
| Molar mass |
|
| Appearance | vibrant pink/violet solid |
| Density | 6.5 g/cm3 |
| Melting point | 55 °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.
| |
Lattice volume (V)
|
639.0 Å3 |
Formula units (Z)
|
2 |
| Hazards | |
| GHS labelling:[4] | |
| 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): | |
LD50 (median dose)
|
2750 mg/kg (oral, rat)[3] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
| |
Neodymium nitrate is an inorganic salt with the formula Nd(NO3)3·x(H2O). It is typically encountered as the hexahydrate, Nd(NO3)3·6H2O. It decomposes to NdONO3 at elevated temperature.[5]
It is used in the extraction and purification of neodymium from its ores.[6]
References
- ^ 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.
- ^ 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.
- ^ a b "SDS - Neodymium(III) nitrate hexahydrate". fishersci.com. ThermoFisher Scientific. 29 March 2024. Retrieved 3 December 2025.
- ^ Sigma-Aldrich Co., Neodymium(III) nitrate hexahydrate.
- ^ 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.
- ^ 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.