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Merck
CN

20990

Cesium fluoride

purum p.a., ≥98.0%

Synonym(s):

NSC 84270

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About This Item

Empirical Formula (Hill Notation):
CsF
CAS Number:
13400-13-0
Molecular Weight:
151.90
NACRES:
NA.22
PubChem Substance ID:
57647889
UNSPSC Code:
12352302
EC Number:
236-487-3
MDL number:
MFCD00010960
Assay:
≥98.0%

Key Documents

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Product Name

Cesium fluoride, purum p.a., ≥98.0%

InChI key

XJHCXCQVJFPJIK-UHFFFAOYSA-M

InChI

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

SMILES string

[F-].[Cs+]

grade

purum p.a.

assay

≥98.0%

Quality Level

100

reaction suitability

core: Cesium

mp

682 °C (lit.)

density

4.115 g/mL at 25 °C (lit.)

anion traces

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

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤300 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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Application

Catalyst for the reaction of silyl enol ethers with carbonyl compounds.
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.

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

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN0509
BCCL6813
BCCJ4499
BCCF4650
BCCF1243

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Journal of the Chemical Society. Chemical Communications, 122-122 (1981)
J. Boyer et al.
Journal of Organometallic Chemistry, 184, 157-157 (1980)
S Nelson et al.
Science (New York, N.Y.), 265(5173), 774-777 (1994-08-05)
Neurons in the primary visual cortex of the cat are selectively activated by stimuli with particular orientations. This selectivity can be disrupted by the application of antagonists of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) to a local region of the
E D Risby et al.
Archives of general psychiatry, 48(6), 513-524 (1991-06-01)
As part of a study of the effects of lithium carbonate on neurochemical function in man, platelet and lymphocyte adenylate cyclase activity and lymphocyte beta-adrenergic receptor binding characteristics were determined before and after 2 weeks of lithium treatment in 10
E A Lesnik et al.
Journal of biomolecular structure & dynamics, 5(3), 601-614 (1987-12-01)
We have determined the 1H----3H exchange rate constants between water and C8H groups of purinic residues of alternating polynucleotides poly(dA-dT).poly(dA-dT), poly(dG-dC).poly(dG-dC) and poly(dA-dC).poly(dG-dT) as well as homopolynucleotides poly(dA).poly(dT) and poly(dG).poly(dC) in aqueous solutions with high-salt concentrations (3 M NaCl and
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