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13400-13-0
CsF
550900CR
99-99.99%
-20 Mesh
236-487-3
Class 6.1
UN 3288
PG II
Characteristic
Caesium fluoride or cesium fluoride is an inorganic compound with the formula CsF. It is a hygroscopic white solid. Caesium fluoride can be used in organic synthesis as a source of the fluoride anion. Caesium has the highest electropositivity of all non-radioactive elements and fluorine has the highest electronegativity of all elements.
Chemical formula: CsF
Molar mass: 151.903 g/mol
Appearance: white crystalline solid
Density: 4.64 g/cm3
Melting point: 703 °C (1,297 °F; 976 K)
Boiling point: 1,251 °C (2,284 °F; 1,524 K)
Solubility in water: 573.0 g/100 mL (25 °C)
Solubility: Insoluble in acetone, diethyl ether, pyridine and ethanol
191 g/100 mL in methanol.
Magnetic susceptibility (χ): -44.5•10−6 cm3/mol
Refractive index (nD): 1.477
Application
Cesium fluoride is used for desilylation reactions in organic synthesis. Useful base in organic chemistry, due to its low nucleophilicity. Owing to its high ionic character, it is a very reactive source of fluoride ion in organic synthesis. Reagent of choice when reactive "naked" fluoride is required. Effective catalyst in promoting Knoevenegal condensation. Single crystals of CsF are useful as the windows of cells for infrared spectroscopy.
Characteristic
Caesium fluoride or cesium fluoride is an inorganic compound with the formula CsF. It is a hygroscopic white solid. Caesium fluoride can be used in organic synthesis as a source of the fluoride anion. Caesium has the highest electropositivity of all non-radioactive elements and fluorine has the highest electronegativity of all elements.
Chemical formula: CsF
Molar mass: 151.903 g/mol
Appearance: white crystalline solid
Density: 4.64 g/cm3
Melting point: 703 °C (1,297 °F; 976 K)
Boiling point: 1,251 °C (2,284 °F; 1,524 K)
Solubility in water: 573.0 g/100 mL (25 °C)
Solubility: Insoluble in acetone, diethyl ether, pyridine and ethanol
191 g/100 mL in methanol.
Magnetic susceptibility (χ): -44.5•10−6 cm3/mol
Refractive index (nD): 1.477
Application
Cesium fluoride is used for desilylation reactions in organic synthesis. Useful base in organic chemistry, due to its low nucleophilicity. Owing to its high ionic character, it is a very reactive source of fluoride ion in organic synthesis. Reagent of choice when reactive "naked" fluoride is required. Effective catalyst in promoting Knoevenegal condensation. Single crystals of CsF are useful as the windows of cells for infrared spectroscopy.
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