| Tetrb - Thin | Nummer |
| Tetrodotoxin | 14 |
| Tetrodoprim | |
| Tetryl | 14 / 13 / 18 / 19 / # (19a) / # 21 Haut |
| Tetryl-ammonium-bromid | 14 |
| Teufelsapfel | 16 |
| Teufelsdreck | |
| Thalidomid | 17 / 19b / # (19a) |
| Thallium »Online!« | 14 / 12 / 19 |
| Thallium-(I)-acetat | 14 / 12 |
| Thallium-(III)-acetat Sesquihydrat | |
| Thallium-(I)-chlorat | |
| Thallium-(I)-nitrat | 14 / 12 / 13 |
| Thallium-(III)-nitrat | 14 / 12 / 19 |
| Thallium-(I)-sulfat | 14 / 12 / 19 / # 207 Haar |
| Thallium-(I)-sulfid | |
| Thallium-(III)-tri-fluoracetat | 14 / 12 / 16 / 19 / # 207 Haar |
| Thallium-Verbindungen | 14 / 12 / 19 / # 207 Haar |
| Thaumatin | 16 |
| T H C | 14 / # (19c) |
| Thebacon | 14 |
| Thebain | |
| Theobroma cacao | |
| Theobromin | |
| Theofibrat | |
| Theophyllin | 14 / gelegentlich 18 |
| Theophyllin-essigsäure-di-nitroxy-di-ethylamid | 16 |
| Theophyllin-essigsäure-(tri-nitroxy-methyl)-methylamid | 14 |
| Theophyllin-ethylendiamin | 14 / gelegentlich 18 |
| Thermooxidiertes Sojaöl mit Mono- und Diglyceriden von Speisefettsäuren |
10 |
| Thermorubin | 14 |
| Thevetia peruviana | |
| Thevetigenin | |
| Thevetin | |
| Thexyl-di-methyl-chlorsilan | 2 |
| Thiabendazol | 14 / # (19c) |
| Thiamazol | xxx |
| Thiamazolum | 14 |
| Thiamin Hydrochlorid | 16 |
| Thiamphenicol | 14 / 18 |
| Thiaxanthene | xxx |
| Thiazafluron | 16 |
| Thiazol | 14 |
| L-Thiazolidin-4-carbonsäure | 16 |
| Thiazolino-butazon | 14 |
| 2-Thiazolin-2-thiol | 16 |
| 4-(2’-Thiazolylazo)-resorcin | |
| 2-(4’-Thiazolyl)-benzimidazol | 14 / # (19c) |
| Thiazolylblau | |
| 5-Thiazolyl-methanol | # 6 Augen |
| Thidiazuron | 16 |
| 2- / 3- Thienyl-aceto-nitril | 7 / 16 |
| Thienyl-carbonsäure-hydrazid | 2 |
| 2-Thienyl-chlorid | 16 |
| 1-[1-(2-Thienyl)-cyclohexyl]-piperidin | 14 |
| Thienyl-lithium | xxx |
| Thifen-sulfuron-methyl | 16 |