Merck
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20960

Sigma-Aldrich

Cesium carbonate

purum p.a., ≥98.0% (T)

Synonym(s):
Carbonic acid dicesium
Linear Formula:
Cs2CO3
CAS Number:
Molecular Weight:
325.82
Beilstein:
4546405
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.22

grau

purum p.a.

Nível de qualidade

100

teor

≥98.0% (T)

perda

≤2% loss on drying

pf

610 °C (dec.) (lit.)

traços de ânion

chloride (Cl-): ≤1000 mg/kg
sulfate (SO42-): ≤500 mg/kg

traços de cátion

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤200 mg/kg
Na: ≤250 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[Cs+].[Cs+].[O-]C([O-])=O

InChI

1S/CH2O3.2Cs/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

FJDQFPXHSGXQBY-UHFFFAOYSA-L

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Aplicação

Catalyst for:
aerobic oxidation of primary alcohols
1,4-addition reactions
Reagent for:
Synthesis of phosphazene derivatives
Constrictive binding interactions
Intramolecular C-N cross coupling reactions
Dehydrohalogenative polycondensation
Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.

Outras notas

Used for preparing cesium carboxylates which react with halogenides to give esters and lactones ; Used for an analogous preparation of thio ethers

Pictogramas

CorrosionHealth hazard

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

Eye Dam. 1 - Repr. 2 - STOT RE 2 Oral

Código de classe de armazenamento

13 - Non Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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