| Name | Formula | pKa1 |
|---|---|---|
| 1-naphthaldehyde | C11H8O | 33.00 |
| 3-anisaldehyde | C8H8O2 | 34.00 |
| benzaldehyde | C7H6O | 34.00 |
| 4-methoxybenzaldehyde | C8H8O2 | 34.00 |
| methylpropene | C4H8 | 37.00 |
| propene | C3H6 | 38.00 |
| 1-butene | C4H8 | 38.00 |
| toluene | C7H8 | 39.00 |
| 4-chlorotoluene | C7H7Cl | 39.00 |
| cumene | C9H12 | 39.00 |
| ethylbenzene | C8H10 | 40.00 |
| (2E)-pent-2-ene | C5H10 | 41.00 |
| methane | CH4 | 48.00 |
| cyclopentane | C5H10 | 49.00 |
| cyclohexane | C6H12 | 49.00 |
| isobutane | C4H10 | 49.00 |
| butane | C4H10 | 50.00 |
| propane | C3H8 | 50.00 |
| ethane | C2H6 | 51.00 |
| adamantane | C10H16 | 54.00 |