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
CAS Number	335-36-4 ;
3D model (JSmol)	Interactive image;
Abbreviations	PFBTHF
ECHA InfoCard	100.005.809
EC Number	206-389-5;
PubChem CID	78976;
UNII	MSL8VN7XHA ;
CompTox Dashboard (EPA)	DTXSID60871632 ;
	SMILES C1(C(C(OC1(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)F)(F)F)(F)F)(F)F;
Properties
Chemical formula	C8F16O
Molar mass	416.06
Melting point	−88 °C (−126 °F; 185 K)
Boiling point	102 °C (216 °F; 375 K)
Solubility in water	Insoluble
	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

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

^ Savu, P (1994). "Fluorinated Higher Carboxylic Acids". Kirk-Othmer Encyclopedia of Chemical Terminology. John Wiley & Sons, Inc. doi:10.1002/0471238961.0612211519012221.a01. ISBN 9780471484943.

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