Perfluorohexane

Perfluorohexane

Names
IUPAC name 1,1,1,2,2,3,3,4,4,5,5,6,6,6-tetradecafluorohexane
Other names FC-72, Fluorinert FC-72, Flutec PP1, Perfluoro-compound FC-72
Identifiers
CAS Number	355-42-0 Y
3D model (Jmol)	Interactive image
Abbreviations	PFH
ChEBI	CHEBI:39427 Y
ChemSpider	9262 Y
ECHA InfoCard	100.005.987
KEGG	D05437 Y
PubChem	9639
UNII	FX3WJ41CMX Y
InChI InChI=1S/C6F14/c7-1(8,3(11,12)5(15,16)17)2(9,10)4(13,14)6(18,19)20 Y Key: ZJIJAJXFLBMLCK-UHFFFAOYSA-N Y InChI=1/C6F14/c7-1(8,3(11,12)5(15,16)17)2(9,10)4(13,14)6(18,19)20 Key: ZJIJAJXFLBMLCK-UHFFFAOYAE
SMILES FC(F)(C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)F
Properties
Chemical formula	C6F14
Molar mass	338.041845
Melting point	−90 °C (−130 °F; 183 K)
Boiling point	56 °C (133 °F; 329 K)
Vapor pressure	27kPa @ 25 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Perfluorohexane (C₆F₁₄), or tetradecafluorohexane, is a fluorocarbon. It is a derivative of hexane in which all of the hydrogen atoms are replaced by fluorine atoms. It is used in one formulation of the electronic cooling liquid/insulator Fluorinert for low-temperature applications due to its low boiling point of 56 °C and freezing point of −90 °C. It is odorless and colorless. Unlike typical hydrocarbons, the structure features a helical carbon backbone.^[1]

Oxygen solubility

Because it is biologically inert and chemically stable, perfluorohexane has attracted attention in medicine. Like other fluorocarbons, perfluorohexane dissolves gases, including oxygen from the air, to a higher concentration than ordinary organic solvents. This effect is attributed to the weak intermolecular forces between perfluorohexane molecules, which allows "space" for gas molecules to partition into the liquid. Animals can be submerged in a bath of perfluorohexane without drowning, as there is sufficient oxygen available in the solvent to allow respiration to continue. This effect has led to the experimental use of perfluorohexane in treating burn victims, as their lungs can be filled with either perfluorohexane vapor or in extreme cases liquid perfluorohexane, allowing breathing to continue without the problems normally seen with pulmonary edema that sometimes occur when the inside of the lungs have been burnt e.g. by inhalation of hot smoke.^[2][3]

References