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Perfluoroheptane

Summary

Perfluoroheptane, C7F16, (usually referring to the straight chain molecule called n-perfluoroheptane) is a perfluorocarbon.[2] It is hydrophobic (water-insoluble) and oleophobic (oil-insoluble). It is used in deacidification of paper as a medium carrying powdered magnesium oxide.[3]

n-Perfluoroheptane
Ball-and-stick model of perfluoroheptane

Coloured water (top) and perfluoroheptane (bottom). Perfluoroheptane is hydrophobic and is denser than water, so it sinks to the bottom and the animals pictured cannot penetrate it.
Names
Preferred IUPAC name
Hexadecafluoroheptane
Identifiers
  • 335-57-9 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 9179
ECHA InfoCard 100.005.812 Edit this at Wikidata
  • 9553
UNII
  • I23ZVD1P1L checkY
  • DTXSID8052019 Edit this at Wikidata
  • InChI=1S/C7F16/c8-1(9,2(10,11)4(14,15)6(18,19)20)3(12,13)5(16,17)7(21,22)23
    Key: LGUZHRODIJCVOC-UHFFFAOYSA-N
  • C(C(C(C(F)(F)F)(F)F)(F)F)(C(C(C(F)(F)F)(F)F)(F)F)(F)F
Properties
C7F16
Molar mass 388.051 g·mol−1
Appearance clear liquid[1]
Density 1.706 g/cm3
Boiling point 80~82°C[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References edit

  1. ^ a b "Perfluoro-n-heptane Safety Data Sheet" (PDF). Exfluor Research Corporation. Retrieved 2020-04-30.
  2. ^ Pubchem (USG) page on perfluoroheptane
  3. ^ Porck, Henk J. (1996). Mass Deacidification: An Update on Possibilities and Limitations (PDF). Washington D.C.: Commission on Preservation and Access. p. 16. ISBN 1887334521. Retrieved 2015-12-09.