Neodymium nitrate

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Neodymium(III) nitrate
Names
Other names
Neodymium trinitrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.127 Edit 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(H2O)x
Molar mass 330.25 g/mol (anhydrous)
438.35 g/mol (hexahydrate)
Appearance vibrant pink/violet solid
Density 6.5g/cm3
Melting point 1,374 °C (2,505 °F; 1,647 K)
Structure
Tricapped trigonal prismatic
(nine-coordinate)
Hazards
GHS labelling:
GHS03: OxidizingGHS07: Exclamation mark
Warning
H272, H302, H312, H315, H319, H332, H335
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Neodymium nitrate is an inorganic compound with the formula Nd(NO3)3·(x(H2O) . It is typically encountered as the hexahydrate, Nd(NO3)3·6H2O, which is more accurately formulated as [Nd(NO3)3(H2O)4].2H2O to reflect the crystal structure.[1] It decomposes to NdONO3 at elevated temperature.[2]

It is used in the extraction and purification of neodymium from its ores.[3]

References

  1. ^ 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. doi:10.1107/S0108270183006927.
  2. ^ Van Vuuren, C.P.J.; Strydom, C.A. (1986). "The thermal decomposition of neodymium nitrate". Thermochimica Acta. 104: 293–298. doi:10.1016/0040-6031(86)85204-2. ISSN 0040-6031.
  3. ^ McGill, Ian (2000). "Rare Earth Elements". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a22_607. ISBN 978-3-527-30385-4.


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