FC-75

FC-75
Names
IUPAC name
2,2,3,3,4,4,5-heptafluoro-5-(1,1,2,2,3,3,4,4,4-nonafluorobutyl)tetrahydrofuran
Other names
Perfluorocyclic ether, Fluorinert FC-75,
Perfluoro-compound FC-75,
Perfluoro-2-n-butyl THF,
Perfluoro(butyltetrahydrofuran)
Identifiers
3D model (JSmol)
Abbreviations PFBTHF
ECHA InfoCard 100.005.809
EC Number 206-389-5
Properties
C8F16O
Molar mass 416.06
Melting point −88 °C (−126 °F; 185 K)
Boiling point 102 °C (216 °F; 375 K)
Insoluble
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

FC-75 is a fluorocarbon derivative of tetrahydrofuran with the chemical formula C8F16O. It is practically insoluble in water.

It is one of the 3M Fluorinert fluids. It is used as an inert coolant fluid in electronics and other applications, and as a solvent. FC-75 can be synthesized by the same electrochemical fluorination process used to produce PFOA.[1] However, other perfluorinated ether isomers will also result.

H(CH2)7COCl + HF → H(CH2)7COF + C7H16 + 2C8F16O + HCl + H2

A similar fluorocarbon-based coolant and solvent is perfluorohexane.

References

  1. ↑ Savu, P (1994). "Fluorinated Higher Carboxylic Acids". Kirk-Othmer Encyclopedia of Chemical Terminology. John Wiley & Sons, Inc. doi:10.1002/0471238961.0612211519012221.a01.


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