Variation of Melting Point and Boiling Point in Alkanes
| Molecular formula | Name | Molecular mass /u | Boiling Point b.p./(K) | Melting Point m.p./(K) |
| CH₄ | Methane | 16 | 111.0 | 90.5 |
| C₂H₆ | Ethane | 30 | 184.4 | 101.0 |
| C₃H₈ | Propane | 44 | 230.9 | 85.3 |
| C₄H₁₀ | Butane | 58 | 272.4 | 134.6 |
| C₄H₁₀ | 2-Methylpropane | 58 | 261.0 | 114.7 |
| C₅H₁₂ | Pentane | 72 | 309.1 | 143.3 |
| C₅H₁₂ | 2-Methylbutane | 72 | 300.9 | 113.1 |
| C₅H₁₂ | 2,2-Dimethylpropane | 72 | 282.5 | 256.4 |
| C₆H₁₄ | Hexane | 86 | 341.9 | 178.5 |
| C₇H₁₆ | Heptane | 100 | 371.4 | 182.4 |
| C₈H₁₈ | Octane | 114 | 398.7 | 216.2 |
| C₉H₂₀ | Nonane | 128 | 423.8 | 222.0 |
| C₁₀H₂₂ | Decane | 142 | 447.1 | 243.3 |
| C₂₀H₄₂ | Eicosane | 282 | 615.0 | 236.2 |
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