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228931

Sigma-Aldrich

Cerium(III) chloride heptahydrate

99.9% trace metals basis

Synonym(s):

Cerous chloride heptahydrate

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About This Item

Linear Formula:
CeCl3 · 7H2O
CAS Number:
18618-55-8
Molecular Weight:
372.58
EC Number:
232-227-8
MDL number:
MFCD00149634
UNSPSC Code:
12352302
PubChem Substance ID:
24853718
NACRES:
NA.23

Assay

99.9% trace metals basis

form

crystals and lumps

reaction suitability

reagent type: catalyst
core: cerium

impurities

≤1500.0 ppm Trace Rare Earth Analysis

density

~3.94 g/mL at 25 °C (lit.)

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].Cl[Ce](Cl)Cl

InChI

1S/Ce.3ClH.7H2O/h;3*1H;7*1H2/q+3;;;;;;;;;;/p-3

InChI key

KPZSTOVTJYRDIO-UHFFFAOYSA-K

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General description

Cerium(III) chloride heptahydrate is a hygroscopic crystalline solid. It is soluble in water and forms acidic solutions. It is used as a cerium source in various applications such as nanometal oxide synthesis and catalysis.

Application

Cerium(III) chloride heptahydrate can be used:
  • As a precursor to prepare cerium oxide nanoparticles for biomedical applications and photocatalytic degradation.
  • As a solution to fabricate thin films of CeO2 on glass substrates by the spray pyrolysis process.
  • As a dopant to fabricate ZnO and CeO2 nanocrystals for electrochemical sensing of H2O2 and photocatalytic degradation of Rhodamine B and Congo red dyes.
  • As an additive to prepare corrosion-inhibiting formulations and coatings.
  • To synthesize carbon nanofiber composites to fabricate high-temperature polymer electrolyte membrane fuel cell cathodes.
  • As a support for the combination of cerium(III)chloride heptahydrate and sodium iodide supported on silica gel to promoteMichael-type additions. These catalysts are used to convert from indolesand nitroalkenes to 2-indolyl-1-nitroalkane derivatives in good yields.

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H314,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1C

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL7013
BCCK2818
BCCK9911
BCCK5202
BCCK0152

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Tetrahedron, 63, 892-892 (2007)
J. Chem. Res. (M), 668-668 (2006)
Xiaoming Tao et al.
Organic letters, 15(1), 72-75 (2012-12-25)
Dynamic kinetic resolution of various α-amido-β-keto phosphonates via asymmetric hydrogenation proceeded efficiently to give the corresponding β-hydroxy-α-amido phosphonates in high diastereo- and enantioselectivities (up to 99:1 syn/anti, 99.8% ee). The addition of catalytic amounts of CeCl(3)·7H(2)O is necessary to achieve
Na Li et al.
Environmental toxicology, 28(6), 349-358 (2011-06-10)
To investigate the molecular mechanism of inflammatory response in the mouse liver caused by exposure to CeCl₃, we measured the liver indices, and cerium content, evaluated the liver histopathological section, detected serum biochemical parameters of liver function, and the immunoglobulin
Yanfang Wu et al.
Chemosphere, 74(9), 1260-1265 (2008-12-17)
Using both histochemical and cytochemical methods, we investigated the effects of copper (Cu) on the production of hydrogen peroxide (H2O2) and superoxide anion (O2(.-)) in the leaves of the moss Plagiomnium cuspidatum. Cu treatment significantly increased the contents of total
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