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202991

Sigma-Aldrich

Cerium(III) nitrate hexahydrate

99.999% trace metals basis

Synonym(s):

Cerium trinitrate, Cerous nitrate hexahydrate, Nitric acid cerium salt

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$273.00
125 G
$933.00

$273.00


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25 G
$273.00
125 G
$933.00

About This Item

Linear Formula:
Ce(NO3)3 · 6H2O
CAS Number:
Molecular Weight:
434.22
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
Assay:
99.999% trace metals basis
Form:
crystals and lumps

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$273.00


In StockDetails


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Quality Level

assay

99.999% trace metals basis

form

crystals and lumps

reaction suitability

core: cerium
reagent type: catalyst

impurities

≤15.0 ppm Trace Metal Analysis

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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1 of 4

This Item
392219238538202983
form

crystals and lumps

form

crystals and lumps

form

crystals and lumps

form

crystals and lumps

assay

99.999% trace metals basis

assay

99.99% trace metals basis

assay

99% trace metals basis

assay

99.999% trace metals basis

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

100

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤150.0 ppm Trace Rare Earth Analysis

impurities

1-2% La

impurities

≤15.0 ppm Trace Metal Analysis

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

General description

Cerium (III) nitrate hexahydrate is a widely used source of cerium in materials science. It is a white-to-yellow crystalline salt that is hygroscopic and air-sensitive. It is highly soluble in water, alcohol, and acetone, although solutions can appear slightly hazy. Like many trivalent metal nitrates, cerium (III) nitrate hexahydrate melts at a low temperature (57 °C)and thermally decomposes at low temperatures too, beginning at 190 °C and proceeding rapidly at 280 °C with complete decomposition to cerium oxide 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. Our cerium (III) nitrate hexahydrate 99.999% is designed for applications that demand high-purity cerium with low contaminants of other trace metals and rare earth metals. For example, high-purity cerium nitrate is applicable in studies using cerium (III) nitrate hexahydrate used to dope catalysts, such as recent efforts to boost water splitting using Ce-doped layered double hydroxides [1][2]. It is also applicable in studies using cerium (III)nitrate hexahydrate to build a ceria support for single-atom catalysts, such as nickel-doped ceria for the hydrogenation of acetylene[3] and platinum-doped ceria for carbon monoxide oxidation[4]. Our high-purity cerium (III) nitrate hexahydrate is also in the solid-state synthesis of cerium-doped phosphors like Ca2YHf2Al3O12 where energy transfer from Ce3+ to other rare earth ions plays a major role in the efficiency and breadth of excitations.[5]

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


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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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