FC-75
FC-75 is a fluorocarbon derivative of tetrahydrofuran with the chemical formula C8F16O. It is practically insoluble in water.
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| Names | |
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| 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) |
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| Abbreviations | PFBTHF |
| ECHA InfoCard | 100.005.809  |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| 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). | |
 verify (what is  ?) | |
| Infobox references | |
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.
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