572314
Cesium fluoride
technical grade
Synonym(s):
NSC 84270
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About This Item
Empirical Formula (Hill Notation):
CsF
CAS Number:
Molecular Weight:
151.90
UNSPSC Code:
12352000
PubChem Substance ID:
EC Number:
236-487-3
MDL number:
InChI key
XJHCXCQVJFPJIK-UHFFFAOYSA-M
InChI
1S/Cs.FH/h;1H/q+1;/p-1
SMILES string
[F-].[Cs+]
grade
technical grade
mp
682 °C (lit.)
density
4.115 g/mL at 25 °C (lit.)
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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.
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
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
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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
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
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.
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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