| Pt - Pyric | Nummer |
| P T B P | 16 / gelegentlich 18 / # 21 Haut / # 52 Haut |
| Ptelea trifoliata | 16 |
| Pteridium aquilinum | 14 / # (19a) |
| Pterin | 16 |
| Pterofen | 14 / 16 |
| P T U | 16 / # (19b) |
| Puffbohne | # 227 + |
| Pulegon | xxx |
| (+)-Pulegon | 14 |
| Pulsatilla vulgaris | |
| Punica granatum | |
| Purgierkörner | 16 |
| Purgiernußbaum | 14 / # 227 ++ |
| Puromycin-di-hydrochlorid | xxx |
| Purple Agent | xxx |
| Purpureaglykosid A | 14 |
| P V C | 16 / 18 |
| Pymetrozin | # (19a) |
| Pyoktanin | 16 / gelegentlich 18 / # (19a) / # 6 Augen |
| Pyracantha coccinea | 7 |
| Pyracarbolid | xxx |
| Pyraclostrobin | xxx |
| Pyraflufen | xxx |
| Pyraflufen-ethyl | xxx |
| Pyranocumarin | 3a |
| Pyrantel | xxx |
| Pyrathiazin Hydrochlorid | 16 |
| 1H-Pyrazol | |
| Pyrazolon »Online!« | xxx |
| Pyrazon | 16 / 18 |
| Pyrazophos | 14 / 4 / 19 |
| Pyrazoxon | 14 / 19 |
| Pyren | 14 |
| 1-Pyrenamin | 16 |
| Pyren-1-carbaldehyd | |
| 4-(1-Pyrenyl)-buttersäure | |
| Pyrethrin-I | 14 / # 21 Haut |
| Pyrethrin-II | |
| Pyrethrine | 14 |
| Pyrethroide »Online!« | xxx |
| Pyrethrosin | Selten 18 |
| Pyrethrum | 14 / 19 / selten 18 / # (19b) |
| Pyrethrum album L. | 14 |
| Pyrianisaminmaleat | 16 |
| Pyribenzamin |