Phosphorus oxide fluoride

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of phosphorus oxide fluoride
General
Surname Phosphorus oxide fluoride
other names
  • Phosphoryl fluoride
  • Phosphoryl trifluoride
  • Phosphorus oxide trifluoride
Molecular formula POF 3
Brief description

colorless, pungent smelling gas

External identifiers / databases
CAS number 13478-20-1
EC number 236-776-4
ECHA InfoCard 100.033.419
PubChem 83516
ChemSpider 75351
Wikidata Q4351241
properties
Molar mass 103.97 g mol −1
Physical state

gaseous

density

4.562 kg m −3

Melting point

−39.7 ° C

boiling point

−39.1 ° C

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Phosphorus oxide fluoride is an inorganic chemical compound of phosphorus from the group of fluorides .

Extraction and presentation

Phosphorus oxide fluoride can be obtained by reacting phosphorus oxychloride with hydrogen fluoride at 65 ° C and antimony (V) chloride as a catalyst .

Zinc (II) fluoride , lead (II) fluoride or silver (I) fluoride can also be used as fluorinating agents .

properties

Phosphorus oxide fluoride is a colorless, pungent smelling gas that smokes only weakly in the air. Its critical temperature is 73.3 ° C and the critical pressure is 43 bar. It attacks glass.

Individual evidence

  1. a b c d Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 211.
  2. ^ A b c Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . Taylor & Francis US, 2011, ISBN 1-4398-1462-7 , pp. 311 ( limited preview in Google Book search).
  3. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  4. ^ A b A. F. Holleman , E. Wiberg , N. Wiberg : Textbook of Inorganic Chemistry . 101st edition. Walter de Gruyter, Berlin 1995, ISBN 3-11-012641-9 , p. 777.