Iodine pentafluoride

Iodine pentafluoride
Names
	Preferred IUPAC name Iodine(V) fluoride
	Systematic IUPAC name Pentafluoro-λ5-iodane
	Other names Iodic fluoride
Identifiers
CAS Number	7783-66-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	455940 ;
ECHA InfoCard	100.029.108
EC Number	232-019-7;
PubChem CID	522683;
UNII	LFD5C04ER3 ;
CompTox Dashboard (EPA)	DTXSID2052524 ;
	InChI InChI=1S/F5I/c1-6(2,3,4)5 Key: PJIYEPACCBMRLZ-UHFFFAOYSA-N ; 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;
	SMILES FI(F)(F)(F)F;
Properties
Chemical formula	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)
Solubility in water	Reacts
Magnetic susceptibility (χ)	−58.1·10−6 cm3/mol
Viscosity	2.111 mPa·s
Structure
Crystal structure	Monoclinic
Point group	C4V
Coordination geometry	Square pyramidal
Molecular shape	square pyramidal
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Toxic, oxidiser, corrosive, reacts with water to release HF
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H271, H301+H311+H331, H314, H371, H410
Precautionary statements	P202, P232, P304, P310
NFPA 704 (fire diamond)	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). verify (what is ?) Infobox references

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.