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441902

Cesium carbonate

ReagentPlus®, 99%

동의어(들):

Carbonic acid dicesium

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
Cs2CO3
CAS 번호:
534-17-8
Molecular Weight:
325.82
UNSPSC Code:
12352301
NACRES:
NA.22
PubChem Substance ID:
24867711
EC Number:
208-591-9
Beilstein/REAXYS Number:
4546405
MDL number:
MFCD00010957
Assay:
99%
Form:
powder and chunks
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Quality Level

200

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

Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.
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.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

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

target_organs

Kidney,Adrenal gland,Testes

저장 등급

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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시험 성적서(COA)

Lot/Batch Number
01496PJ
MKAA0577
05030JJ
S57340
S57339

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Cesium carbonate (CS2CO3)
Lehmann F
Synlett, 2004(13), 2447-2448 (2004)
Mengdi Zhao et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(30), 9259-9262 (2014-07-06)
Cs2CO3 has been found to be an efficient and chemoselective catalyst for reduction of aldehydes and ketones to alcohols with one equivalent of Ph2SiH2 as the reductant under solvent-free conditions. Most of the aldehydes employed can be effectively hydrosilated quantitatively
A Zapf et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 7(13), 2908-2915 (2001-08-07)
A detailed investigation into the influence of phosphines, additives, bases and solvents on the Heck coupling reaction of 4-trifluoromethyl-1-chlorobenzene (2) is presented. It is shown that a number of catalyst systems exist for efficient cross coupling of electron-deficient aryl chlorides
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국제 무역 품목 번호

SKUGTIN
441902-100G04061832282244
441902-5G04061833338230
441902-50G04061832282275
441902-250G04061832282251
441902-500G04061832282268