Lanthanum(III) nitrate

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Lanthanum(III) nitrate[1][2][3]
File:Lanthanum nitrate.JPG
Names
Other names
  • Lanthanum trinitrate
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 233-238-0
UNII
  • InChI=1S/La.3HNO3/c;3*2-1(3)4/h;3*(H,2,3,4)/q+3;;;
    Key: PAPXNISCLWTJQS-UHFFFAOYSA-N
  • [N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-].[La+3]
Properties
La(NO
3)
3
Molar mass 324.92 g/mol
Appearance Colorless crystals
Odor slight odor
Density 1.3 g/cm3
Melting point 40 °C (104 °F; 313 K)
Boiling point 126 °C (259 °F; 399 K)[dubious – discuss] decomposes
158 g/100 mL
Solubility Soluble in acetone and ethanol
Hazards
GHS labelling:
GHS03: OxidizingGHS05: CorrosiveGHS09: Environmental hazard
Danger
H272, H315, H319, H335
P210, P273, P280, P305+P351+P338+P310, P405, P501
NFPA 704 (fire diamond)

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1
2
2
Lethal dose or concentration (LD, LC):
4500 mg/kg (oral, rat)[4]
Related compounds
Other anions
 Lanthanum(III) sulfate
Other cations
 Cerium(III) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Lanthanum(III) nitrate is any inorganic compound with the chemical formula La(NO3)3·xH2O. It is used in the extraction and purification of lanthanum from its ores.[5] The compound decomposes at 499°C to lanthanum oxide, nitric oxide and oxygen.[3]

Preparation

Lanthanum nitrate is prepared by reacting lanthanum oxide with nitric acid which creates lanthanum(III) nitrate and water.

La2O3 + 6 HNO3 → 2 La(NO3)3 + 3 H2O

References

  1. ↑ "Lanthanum(III) nitrate 99.999% trace metals". Sigma Aldrich. Retrieved 26 February 2021.
  2. ↑ "lanthanum nitrate". ChemSpider. Retrieved 26 February 2021.
  3. ↑ 3.0 3.1 Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania (1996). "Influence of Pretreatment on Lanthanum Nitrate, Carbonate, and Oxide Powders". Chemistry of Materials. 8 (12). ACS publications: 2755–2768. doi:10.1021/cm9602555. Retrieved 26 February 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  4. ↑ "Lanthanum(III) nitrate". PubChem. Retrieved 26 February 2021.
  5. ↑ 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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