Octafluorocyclobutane
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Octafluorocyclobutane, or perfluorocyclobutane, C4F8, is an organofluorine compound which enjoys several niche applications. Octafluorocyclobutane is a colourless gas and shipped as a liquefied gas. It is the perfluorinated analogue of cyclobutane whereby all C–H bonds are replaced with C–F bonds.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Octafluorocyclobutane | |||
Other names
Freon-C-318, perfluorocyclobutane | |||
Identifiers | |||
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3D model (JSmol) |
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1909266 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider |
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ECHA InfoCard | 100.003.705 | ||
EC Number |
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E number | E946 (glazing agents, ...) | ||
131113 | |||
PubChem CID |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C4F8 | |||
Molar mass | 200.03 g/mol | ||
Appearance | colourless gas | ||
Density | 1.637 g/cm3 at −5.8 °C (liquid) 9.97 kg/m3 at −6 °C and 1 atm (gas) | ||
Melting point | −40.1 °C (−40.2 °F; 233.1 K) | ||
Boiling point | −5.8 °C (21.6 °F; 267.3 K) | ||
0.016 vol/vol (1.013 bar and 20 °C) | |||
Viscosity | 109e-6 Poise (1.013 bar and 0 °C) | ||
Hazards | |||
GHS labelling: | |||
Warning | |||
H280, H411 | |||
P273, P391, P410+P403, P501 | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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