441902
Cesium carbonate
ReagentPlus®, 99%
Synonym(s):
Carbonic acid dicesium
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About This Item
Linear Formula:
Cs2CO3
CAS Number:
Molecular Weight:
325.82
UNSPSC Code:
12352301
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-591-9
Beilstein/REAXYS Number:
4546405
MDL number:
Assay:
99%
Form:
powder and chunks
Quality Segment
product line
ReagentPlus®
assay
99%
form
powder and chunks
pH range
10-13 (68 °F, 50 g/L)
mp
610 °C (dec.) (lit.)
solubility
water: soluble
density
4.072 g/cm3 at 20 °C
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
General description
Cesium carbonate is a powerful inorganic base widely used in organic synthesis. It is a potential chemoselective catalyst for the reduction of aldehydes and ketones to alcohols. It is employed as base for the Heck coupling reaction of 4-trifluoromethyl-1-chlorobenzene and aryl chlorides.
Application
Cesium carbonate can be used as a base in C-C and C-N cross-coupling reactions such as Suzuki−Miyaura, Heck, and Buchwald-Hartwig amination reactions. It is also used as a base in alkylation reactions.
Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Repr. 2 - STOT RE 2 Oral
target_organs
Kidney,Adrenal gland,Testes
Storage Class
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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