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Names | |||
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Preferred IUPAC name
Octafluoropropane | |||
Other names
Freon 218
Perfluoropropane RC 218, PFC 218 R-218 Flutec PP30 Genetron 218 | |||
Identifiers | |||
3D model (JSmol)
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ChEBI | |||
ChEMBL | |||
ChemSpider | |||
DrugBank | |||
ECHA InfoCard | 100.000.857 | ||
KEGG | |||
PubChem CID
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RTECS number |
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
C3F8 | |||
Molar mass | 188.020 g·mol−1 | ||
Appearance | Colorless gas | ||
Density | 8.17 g/L | ||
Melting point | −147.6 °C (−233.7 °F; 125.5 K) | ||
Boiling point | −36.7 °C (−34.1 °F; 236.5 K) | ||
Critical point (T, P) | 345.05 K (71.90 °C), 26.8 bar | ||
Vapor pressure | 792 kPa (21.1 °C)[1] | ||
Thermal conductivity | 13.8 mW/(m·K)[1] | ||
Viscosity | 0.000125 Poise (0 °C)[1] | ||
Structure | |||
0.014 D | |||
Thermochemistry | |||
Heat capacity (C)
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149 J/(mol·K) | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards
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Simple asphyxiant and greenhouse gas | ||
GHS labelling: | |||
H280 | |||
P410+P403 | |||
NFPA 704 (fire diamond) | |||
Flash point | N/A | ||
Related compounds | |||
Related halocarbons
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Tetrafluoromethane Hexafluoroethane | ||
Related compounds
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Propane | ||
Supplementary data page | |||
Octafluoropropane (data page) | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Octafluoropropane (C3F8) is the perfluorocarbon counterpart to the hydrocarbon propane. This non-flammable and non-toxic synthetic substance has applications in semiconductor production and medicine. It is also an extremely potent greenhouse gas.