12-08579. Selenium Oxyfluoride [Archived]

Nomenclature

CAS number: 7783-43-9
Seleninyl fluoride; selenyl fluoride.
F2OSe; mol wt 132.96.
F 28.58%, O 12.03%, Se 59.39%.
F2SeO.

Description and references

Prepd from selenium dioxide and fluorine: Aynsley et al., J. Chem. Soc. 1952, 1231; from selenium oxychloride and sodium fluoride: Tullock, Coffman, J. Org. Chem. 25, 2016 (1960); from selenium tetrafluoride and tellurium oxide: J. Carre et al., J. Fluorine Chem. 14, 139 (1979).

Properties

Fuming liquid. Ozone-like odor. mp 15.0°; bp 126°. d21.5 2.8. Rapidly attacks glass.

Caution

Strong irritant, vesicant. Can cause fatal pulmonary edema.

Status

This monograph has been retired and is no longer subject to revision or update.