| Compound | m/z (for quantitation) | m/z (qualifier) | RT (min) |
| DBP | 149.1 | 205.1, 223.1 | 8.701 |
| DEHP | 149.1 | 167.1, 279.1 | 12.060 |
| DnOP | 149.1 | 279.1 | 12.942 |
| TMCHP | 149.1 | 109.0 | 12.602 |
| DEHP-d4 | 153.1 | 171.0, 283.2 | 12.054 |