| Identification |
| Chemical Name | Octafluoropropane |
| Formula | C3F8 |
| Molecular Wt. | 188 |
| CAS Number | 76-19-7 |
| CAS Registry Name | Propane, 1,1,1,2,2,3,3,3-octafluoro- |
| IUPAC Name | 1,1,1,2,2,3,3,3-Octafluoropropane |
| InChI | InChI=1S/C3F8/c4-1(5,2(6,7)8)3(9,10)11 |
| SMILES | FC(F)(F)C(F)(F)C(F)(F)F |
| Regulatory |
| EC Number | 200-941-9 |
| REACH Registration | 01-2119948589-16-0000 |
| REACH Name | Octafluoropropane |
| TSCA ID | 494 |
| UN Number | 2424 |
| Transport Name | Octafluoropropane |
| Transport Name for IMDG | Octafluoropropane (Refrigerant gas R 218) |
| Liquid properties |
| Boiling Point | -36.7 °C |
| Melting Point | -183 °C |
| Partition Coefficient (log Kow) | 2.8 (calculated) |
| Density | 1.32 g/ml |
| Viscosity | 0.465 mPa s |
| Kinematic Viscosity | 0.35 mm2/s |
| Surface Tension | 9.3 mN/m |
| Thermal properties |
| Specific Heat | 0.82 kJ/kg/K |
| Critical properties |
| Critical Temperature | 345.1 K |
| Critical Temperature | 72 °C |
| Vapour properties |
| Vapour Pressure | 820 kPa |
| Vapour Density | 0.0125 g/ml |
| Relative Vapour Density | 9.7 (air=1) |
