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Key Documents

562572

Sigma-Aldrich

Cesium carbonate

Cabot high-purity grade

Synonym(s):

Carbonic acid dicesium

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About This Item

Linear Formula:
Cs2CO3
CAS Number:
Molecular Weight:
325.82
Beilstein/REAXYS Number:
4546405
EC Number:
MDL number:
UNSPSC Code:
12352301
PubChem Substance ID:

grade

Cabot high-purity grade

mp

610 °C (dec.) (lit.)

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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Application

Catalyst for:
  • Aerobic oxidation of primary alcohols and of arylalkanes to aryl ketones.†
  • 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.

Legal Information

Product of Cabot Performance Materials

pictograms

Health hazardCorrosion

signalword

Danger

Hazard Classifications

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

target_organs

Kidney,Adrenal gland,Testes

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Synthesis, 3617-3617 (2006)
Aylin Uslu, et al
Inorgorganica Chimica Acta, 363, 3721-3726 (2010)
Xiao-Jin Wu, et al
Advanced Synthesis & Catalysis, 351, 3150-3156 (2009)
Yeon Sil Park, et al
Tetrahedron Letters, 51, 3956-3959 (2010)
Qifeng Wang et al.
Journal of the American Chemical Society, 132(33), 11420-11421 (2010-08-06)
Dehydrohalogenative polycondensation of 2-bromo-3-hexylthiophene was successful with Herrmann's catalyst and tris(2-dimethylaminophenyl)phosphine as catalyst precursors, giving head-to-tail poly(3-hexylthiophene) (HT-P3HT) with high molecular weight (M(n) = 30,600, M(w)/M(n) = 1.60) and high regioregularity (98%) in almost quantitative yield (99%).

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