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MilliporeSigma

238538

Sigma-Aldrich

Cerium(III) nitrate hexahydrate

99% trace metals basis

Sinónimos:

Cerium trinitrate, Cerous nitrate hexahydrate, Nitric acid cerium salt

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About This Item

Fórmula lineal:
Ce(NO3)3 · 6H2O
Número de CAS:
Peso molecular:
434.22
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99% trace metals basis

form

crystals and lumps

reaction suitability

reagent type: catalyst
core: cerium

impurities

1-2% La

SMILES string

[Ce+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Ce.3NO3.6H2O/c;3*2-1(3)4;;;;;;/h;;;;6*1H2/q+3;3*-1;;;;;;

InChI key

QQZMWMKOWKGPQY-UHFFFAOYSA-N

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General description

Cerium (III) nitrate hexahydrate is the most common form of cerium nitrate. It is a white-to-yellow crystalline salt, and it is highly soluble in water, alcohol, and acetone, although solutions can appear slightly hazy. Like many trivalent metal nitrates, cerium (III) nitrate hexahydrate has a low-melting point of only 57 °C and thermally decomposes at low temperatures too, beginning at 190 °C and proceeding rapidly at 280 °C with complete decomposition at 390-400 °C.

Application

Cerium (III) nitrate hexahydrate is widely used as a source of cerium, especially in the synthesis of micro- or nano-structured ceria (cerium oxide). Because of its high solubility and low decomposition temperature, cerium (III) nitrate hexahydrate is an ideal reagent for hydrothermal reactions, sol-gel processing, and co-precipitation and calcination reactions.

Ceria is one of the best studied materials-platforms for catalysis and solid oxide fuel cells. Consequently scientists have developed well-controlled synthetic protocols using cerium (III) nitrate hexahydrate for preparing ceria nanoparticles including nano cubes, nanotubes, and nanorods. The tailorable synthesis facilitates using ceria as a catalyst support, for example leveraging the porosity of the microstructure to impregnate metals and metal alloys, or for example synthesizing ceria-based materials like ceria-zirconia.

pictograms

CorrosionEnvironment

signalword

Danger

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


Certificados de análisis (COA)

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Room temperature co-precipitation of nanocrystalline CeO2 and Ce0.8Gd0.2O1.9-d powder
Materials Letters, 61 , 1904-1907 (2007)
Metal and ligand interaction of Lanthanides with coumarin derivatives. Part I. Complexation of 3-(1-Aminoethylidene)-2H-Chromene-2,4(3H)-Dione with La(III), Ce(III), Nd(III) and Ho(III)
Swiatek M,Kufelnicki A
Acta Poloniae Pharmaceutica, 69(6), 1000-1007 (2012)
Wei-Qiang Han et al.
Journal of the American Chemical Society, 127(37), 12814-12815 (2005-09-15)
Well-crystalline CeO(2-x) nanotubes are synthesized via a mild hydrothermal reaction route using cerium nitrate and ammonium hydroxide as reactants. The CeO(2-x) nanotubes have the same structure as the bulk CeO2 but larger lattice parameter. The measurement of the ratio of
Ternary platinum?cobalt?indium nanoalloy on ceria as a highly efficient catalyst for the oxidative dehydrogenation of propane using CO2
Xing F, et al.
Nature catalysis, 55-65 (2022)
Kenji Kaneko et al.
Nano letters, 7(2), 421-425 (2007-02-15)
Colloidal cerium oxide (CeO2) nanocrystals prepared by hydrothermal synthesis were characterized by high-resolution transmission electron microscopy (HRTEM) and three-dimensional electron tomography (3D-ET). HRTEM images of individual CeO2 nanocrystals were then simulated by Blochwave and multislice simulations to determine the atomic

Artículos

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