Homologous series
Melting points from methyl iodide to eicosyl iodide
| Index | Name | Value |
| 1 | methyl iodide | -67 |
| 2 | ethyl iodide | -108 |
| 3 | propyl iodide | -101 |
| 4 | butyl iodide | -103 |
| 5 | pentyl iodide | -86 |
| 6 | hexyl iodide | -75 |
| 7 | heptyl iodide | -48 |
| 8 | octyl iodide | -46 |
| 9 | nonyl iodide | -20 |
| 10 | decyl iodide | -16 |
| 11 | undecyl iodide | 2 |
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