Iodine pentafluoride

This article is about an interhalogen compound. For the IF5 tornado rating, see International Fujita scale.
Iodine pentafluoride
Stereo structural formula of iodine pentafluoride
Stereo structural formula of iodine pentafluoride
Space-filling model of iodine pentafluoride
Space-filling model of iodine pentafluoride
Names
Preferred IUPAC name
Iodine(V) fluoride
Systematic IUPAC name
Pentafluoro-λ5-iodane
Other names
Iodic fluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.108 Edit this at Wikidata
EC Number
  • 232-019-7
UNII
  • InChI=1S/F5I/c1-6(2,3,4)5 checkY
    Key: PJIYEPACCBMRLZ-UHFFFAOYSA-N checkY
  • InChI=1S/F5I/c1-6(2,3,4)5
    Key: PJIYEPACCBMRLZ-UHFFFAOYSA-N
  • InChI=1/F5I/c1-6(2,3,4)5
    Key: PJIYEPACCBMRLZ-UHFFFAOYAU
  • FI(F)(F)(F)F
Properties
IF5
Molar mass 221.89 g/mol
Appearance colorless liquid
Density 3.250 g/cm3
Melting point 9.43 °C (48.97 °F; 282.58 K)
Boiling point 97.85 °C (208.13 °F; 371.00 K)
Reacts
−58.1·10−6 cm3/mol
Viscosity 2.111 mPa·s
Structure
Monoclinic
point group C2/c
Square pyramidal
square pyramidal[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Toxic, oxidiser, corrosive, reacts with water to release HF
GHS labelling:
GHS03: Oxidizing GHS05: Corrosive GHS06: Toxic GHS09: Environmental hazard
Danger
H271, H301+H311+H331, H314, H371, H410[2]
P202, P232, P304, P310[2]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer
3
0
2
W
OX
Safety data sheet (SDS) External MSDS
Related compounds
Other anions
 Iodine pentoxide
Other cations
 Bromine pentafluoride
Related compounds
 Iodine monofluoride
Iodine trifluoride
Iodine heptafluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Iodine pentafluoride is an interhalogen compound with chemical formula IF5. It is one of the fluorides of iodine. It is a colorless liquid, although impure samples appear yellow. It is used as a fluorination reagent and even a solvent in specialized syntheses.[3]

  1. ^ Durbank, R. D.; Jones, G. R. (1974). "Crystal structure of Iodine Pentafluoride at -80°". Inorganic Chemistry. 13 (5): 421–439. doi:10.1021/ic50135a012.
  2. ^ a b http://www.chemadvisor.com/Matheson/database/msds/mat11440000800003.PDF [dead link‍]
  3. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.