Selenium Tetrafluoride
Title: Selenium Tetrafluoride
CAS Registry Number: 13465-66-2
Molecular Formula: F4Se
Molecular Weight: 154.95
Percent Composition: F 49.04%, Se 50.96%
Line Formula: SeF4
Literature References: Fluorinating agent. Prepn from SeCl4 and AgF: Prideaux, Cox, J. Chem. Soc. 1927, 928; 1928, 1603; from Se and F2: Aynsley et al., ibid. 1952, 1231; J. Carre et al., J. Fluorine Chem. 14, 139 (1979); from Se and AgF: Glemser et al., Naturwissenschaften 52, 130 (1965); from Se2Cl2 and F2: Goggin, J. Inorg. Nucl. Chem. 28, 661 (1966); from Se and ClF: Pitts, Jache, US 3373000 (1968 to Olin Mathieson); from Se and ClF3: Olah et al., J. Am. Chem. Soc. 96, 925 (1974).
Properties: Colorless liquid; fumes in air. mp -9.5°. bp 106°. d18 2.75. Forms a white hygroscopic solid. Hydrolyzed violently by water. Attacks glass slowly when perfectly dry. Completely miscible with ether, ethanol, iodine pentafluoride, sulfuric acid; sol in chloroform, carbon tetrachloride.
Melting point: mp -9.5°
Boiling point: bp 106°
Density: d18 2.75
Use: Fluorination of alcohols, carboxylic acids and carbonyl compds: Olah et al., loc. cit.

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