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Sigma-Aldrich

Cerium(III) chloride heptahydrate

purum p.a., ≥98.0% (AT)

Synonym(s):

Cerium trichloride heptahydrate, 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:
12161600
PubChem Substance ID:
57647982
NACRES:
NA.22

grade

purum p.a.

Assay

≥98.0% (AT)

form

crystals

reaction suitability

core: cerium
reagent type: catalyst

density

~3.94 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤200 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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 mild Lewis acid. It participates in the allylation of aldehydes. Cerium(III) chloride heptahydrate in combination with sodium iodide supported on silica gel efficiently promotes Michael-type addition. Cerium(III) chloride heptahydrate in the presence of sodium iodide acts as an efficient catalyst for the Michael addition of 1,3-dicarbonyl compounds to α,β-unsaturated ketones and α,β-unsaturated aldehydes.

Application

Cerium(III) chloride heptahydrate was used for the preparation of undoped ceria nanoparticles. It may be used in the preparation of 2-indolyl-1-nitroalkane derivatives and CeO2-supported Co catalysts.

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

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Giuseppe Bartoli et al.
The Journal of organic chemistry, 69(4), 1290-1297 (2004-02-14)
The Lewis acid promoted allylation of aldehydes has become an important carbon-carbon bond forming reaction in organic chemistry. In this context, we have developed an alternative over existing catalytic processes, wherein aldehydes are subject in acetonitrile to reaction of allylation
Cerium (III) Chloride Catalyzed Michael Reaction of 1, 3-Dicarbonyl Compounds and Enones in the Presence of Sodium Iodide Under Solvent-Free Conditions.
Bartoli G, et al.
European Journal of Organic Chemistry, 3, 617-620 (1999)
Control of oxygen vacancies and Ce+3 concentrations in doped ceria nanoparticles via the selection of lanthanide element.
Shehata N, et al.
Journal of Nanoparticle Research, 14(10), 1-10 (2012)
Giuseppe Bartoli et al.
The Journal of organic chemistry, 70(5), 1941-1944 (2005-02-26)
The combination of cerium(III) chloride heptahydrate and sodium iodide supported on silica gel is known to promote Michael-type additions. Continuing our work on solvent-free conditions, the CeCl3.7H2O-NaI-SiO2 system catalyzes the addition of a variety of indoles and nitroalkenes, giving 2-indolyl-1-nitroalkane
Novel synthesis techniques for preparation of Co/CeO2 as ethanol steam reforming catalysts.
Song H, et al.
Catalysis Letters, 132(3-4), 422-429 (2009)
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