Homologous series
Melting points from 2-propanone to 2-eicosanone
| Index | Name | Value |
| 3 | 2-propanone | -94.9 |
| 4 | 2-butanone | -87 |
| 5 | 2-pentanone | -78 |
| 6 | 2-hexanone | -56 |
| 7 | 2-heptanone | -35 |
| 8 | 2-octanone | -16 |
| 9 | 2-nonanone | -15 |
| 10 | 2-decanone | 3 |
| 11 | 2-undecanone | 15 |
| 12 | 2-dodecanone | 21 |
| 13 | 2-tridecanone | 28 |
| 14 | 2-tetradecanone | 34 |
| 15 | 2-pentadecanone | 39 |
| 16 | 2-hexadecanone | 43 |
| 17 | 2-heptadecanone | 48 |
| 18 | 2-octadecanone | 52 |
| 19 | 2-nonadecanone | 55 |
