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Merck
CN

572314

Sigma-Aldrich

Cesium fluoride

technical grade

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
EC Number:
236-487-3
MDL number:
MFCD00010960
UNSPSC Code:
12352000
PubChem Substance ID:
24874797

Key Documents

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grade

technical grade

mp

682 °C (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.

Signal Word

Danger

Hazard Statements

H302,H318,H361d,H373,H412

Hazard Classifications

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

Target Organs

Kidney,Adrenal gland

Supplementary Hazards

EUH032

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBB6500
08121BH
10411KD
13109JA

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T C Melville et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 57(6), 1171-1176 (2001-06-23)
A procedure for directly fitting the potential energy curve of a diatomic molecule has been applied to the X1sigma+ ground states of LiCl, TlCl, RbF and CsF. Extensive, high-precision infrared and pure-rotational data sets for all isotopomers of the aforementioned
J Fernandez-Bertrán et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 57(13), 2607-2615 (2002-01-05)
The interactions of alkali fluorides with D-xylose have been studied by X-ray diffraction (XRD), infrared spectroscopy (IR), nuclear magnetic resonance (NMR, 1H and 13C) and atomic absorption spectrophotometry. KF and CsF form complexes with D-xylose in a 1:1 molar ratio.
N Kristianpoller et al.
Radiation protection dosimetry, 100(1-4), 207-209 (2002-10-18)
Optical and dosimetric properties of nominally pure CsGd2F7 crystals and of CsGd2F7 crystals doped with various concentrations of Pr3+ ions were investigated. Effects of X, beta and UV irradiation on these crystals were studied. Methods of optical absorption, X and
J Kypr et al.
International journal of biological macromolecules, 13(1), 9-13 (1991-02-01)
Ten DNA fragments containing self-complementary alternating sequences of adenine and thymine differing in length and the starting nucleotide were studied by c.d. spectroscopy. It was found that d(TATATATA) but not d(ATATATAT), d(TATATA), d(CTATATAG) or (dT-dA)20 isomerized into the unusual X-DNA
Y Sato et al.
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 114(11), 880-887 (1994-11-01)
Benzylammonium N-alkylides were generated by reaction of N-[1-(trimethylsilyl)alkyl]benzylammonium salts with cesium fluoride in DMF or HMPA, and their rearrangement products were investigated. [2,3]Sigmatropic rearrangement of the ylides initially occurred to give isotoluene derivatives and then they were transformed into Sommelet-Hauser
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