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Praseodymium(III) nitrate

From Wikipedia, the free encyclopedia

Praseodymium(III) nitrate[1]
yellowish green crystals in a transparent vial with an orange ribbed screw on cap
Praseodymium nitrate hydrate
Names
Other names
  • Praseodymium trinitrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.711 Edit this at Wikidata
EC Number
  • 233-796-5
  • InChI=1S/3NO3.Pr/c3*2-1(3)4;/q3*-1;+3
    Key: YWECOPREQNXXBZ-UHFFFAOYSA-N
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Pr+3]
Properties
Pr(NO3)3
Molar mass 326.92 g/mol
Appearance Green crystals
Soluble
Solubility Soluble in amine, ether, and acetonitrile
Hazards
GHS labelling:
GHS03: Oxidizing
GHS05: Corrosive
GHS07: Exclamation mark
GHS09: Environmental hazard
H272, H302, H315, H318, H410
P210, P220, P221, P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P337+P313, P362, P370+P378, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
2
0
1
OX
Related compounds
Other anions
 Praseodymium(III) sulfate
Other cations
 Neodymium(III) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Praseodymium(III) nitrate is any inorganic compound with the chemical formula Pr(NO3)3·xH2O. They are used in the extraction and purification of praseodymium from its ores.[2] The hexahydrate has been characterized by X-ray crystallography.[3]

Praseodymium nitrate can be prepared by treating praseodymium oxide with nitric acid:

Pr2O3 + 6 HNO3 → 2 Pr(NO3)3 + 3 H2O

References

  1. ^ "Praseodymium nitrate". PubChem. Retrieved 3 March 2021.
  2. ^ McGill, Ian (2000). "Rare Earth Elements". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a22_607. ISBN 978-3-527-30385-4.
  3. ^ Rumanova, I.M.; Volodina, G.F.; Belov, N.V. (1964). "Structure Refinement for Pr(NO3)3(H2O)6". Kristallografiya. 9: 642-654.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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This page was last edited on 1 April 2024, at 19:33
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