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Opis
Cesium Fluoride
Other Names: Caesium fluoride, CsF
CAS Number: 13400-13-0
Sum Formula: CsF
Molar Mass: 151.90 g/mol
Appearance: White crystalline powder
Cesium fluoride is an inorganic salt composed of cesium and fluoride ions. It is highly soluble in water and commonly used in organic synthesis, particularly as a source of fluoride ions in nucleophilic substitution reactions and desilylation processes.
Chemical and Physical Properties
Density: 4.115 g/cm³
Melting Point: 682°C
Boiling Point: 1251°C
Solubility in Water: Very soluble (approximately 1500 g/L at 25°C)
Solubility in Other Solvents: Soluble in methanol and ethanol; insoluble in nonpolar solvents
Odor: Odorless
Applications
Organic Synthesis: Used as a fluoride source in nucleophilic substitution, desilylation, and other base-catalyzed reactions.
Catalysis: Employed as a promoter or activator in specialized catalytic processes.
Materials Chemistry: Utilized in the preparation of fluoride-containing glasses and ceramics.
Spectroscopy: Sometimes used as a standard or reagent in spectroscopic analysis.
Safety
Signal Word: Danger
H301+H311+H331 (44.4%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
H301 (95.6%): Toxic if swallowed [Danger Acute toxicity, oral]
H311 (95.6%): Toxic in contact with skin [Danger Acute toxicity, dermal]
H314 (21.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (76.7%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (80%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H331 (91.1%): Toxic if inhaled [Danger Acute toxicity, inhalation]
H361 (46.7%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
P203, P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P321, P330, P332+P317, P361+P364, P362+P364, P363, P403+P233, P405, and P501
Handling and Storage
Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Keep away from moisture, acids, and incompatible substances.
Handling Precautions: Avoid generating dust. Handle with appropriate protective equipment. Use in a fume hood or well-ventilated area due to the potential release of hydrogen fluoride upon contact with acids or moisture.
