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255718

Sigma-Aldrich

Cesium fluoride

99.99% trace metals basis

Sinónimos:

NSC 84270

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About This Item

Fórmula empírica (notación de Hill):
CsF
Número de CAS:
13400-13-0
Peso molecular:
151.90
EC Number:
236-487-3
MDL number:
MFCD00010960
UNSPSC Code:
12352302
PubChem Substance ID:
24855475
NACRES:
NA.23

Quality Level

100

assay

99.99% trace metals basis

form

solid

impurities

≤150.0 ppm Trace Metal Analysis

mp

682 °C (lit.)

solubility

methanol: slightly soluble(lit.)
pyridine: insoluble(lit.)

density

4.115 g/mL at 25 °C (lit.)

SMILES string

[F-].[Cs+]

InChI

1S/Cs.FH/h;1H/q+1;/p-1

InChI key

XJHCXCQVJFPJIK-UHFFFAOYSA-M

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Application

Reactant for:
  • Preparation of building blocks for synthesis of fluoroallylic compounds
  • Synthesis of alcohols via hydrolysis of alkyl silyl ethers at neutral pH in buffered mixed organic-aqueous solutions
  • Nucleophilic fluorination of alkynyliodonium salts to form fluorovinylic compounds
  • Nucleophilic aromatic substitution (SNAr) reactions
Used in the successful synthesis of a single-crystal Dion-Jacobson phase, CsLaTa2O7, that has applications in photocatalysis and superconductivity.
Used as a base in the Suzuki carbonylative coupling of enol triflates with vinyl boronic acids.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 2 - STOT RE 2

target_organs

Kidney,Adrenal gland

supp_hazards

EUH032

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
0000338663
0000338663
0000358396
MKCB4859
MKBS6521V

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European Journal of Organic Chemistry, 2152-2152 (2007)
Katsushi Kitahara et al.
Organic letters, 10(11), 2259-2261 (2008-05-01)
A variety of oximes were synthesized from the corresponding alcohols, alkyl halides, or alkyl sulfonates without using external oxidants. With this simple two-step procedure involving substitution with readily available TsNHOTBS and subsequent treatment with CsF, a range of oximes were
B Tabakoff et al.
The New England journal of medicine, 318(3), 134-139 (1988-01-21)
Blood platelets are an accessible tissue that reflects the activity of many enzymes found in the brain. To investigate the possible effect on such enzymes of long-term consumption of large quantities of ethanol, we assayed the activities of two enzymes
Jonathan L Sessler et al.
Journal of the American Chemical Society, 130(39), 13162-13166 (2008-09-09)
An ion-pair receptor, 1, containing both cation- and anion-recognizing sites, has been synthesized and characterized. Single-crystal X-ray diffraction structural studies and (1)H NMR spectroscopic analyses confirmed that 1 forms stable 1:1 complexes with CsF in solution and in the solid
Shengcai Zheng et al.
Chemical communications (Cambridge, England), 47(24), 6969-6971 (2011-05-20)
One pot asymmetrical double allylations of sodium sulfide catalyzed by an iridium complex along with a combination of caesium fluoride and water in dichloromethane have been realized and the double allylation products with two C-S bond chiral centers were obtained
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