| Thip - Tl | Nummer |
| Thiram | 14 / stark 18 / 19 / # (19b) |
| Thiuram-di-sulfide | 16 / stark 18 / # 56 Alkohol |
| Thiuram-mono-sulfide | 16 / # 56 Alkohol |
| Thorin | 14 |
| Thorium-(IV)-chlorid | 16 / # 209 Schwach |
| Thorium-nitrat Pentahydrat | 12 / 20 |
| Thor-nasterosid | 14 / # 208 Hoch |
| Thoulets Lösung | 12 |
| (-)-L-Threo-α-phenyl-2-piperidin-methanol-acetat | 16 |
| Thromboxan B2 | 16 / # (19b) |
| T H T | 16 /
Über MAK 19b / # 21 Haut |
| Thuja occidentalis | 14 / 9 |
| Thuja orientalis | |
| Thuja plicata | 18 |
| β-Thuja-plicin | 16 / selten 18 |
| α- und β-Thujon | 14 / 9 |
| Thujyl-alkohol | 14 |
| Thymianöl | xxx |
| Thymol | 2 / selten 18 |
| Thymol-iodid | 16 |
| Thyro-propinsäure | |
| Thyroxin | xxx |
| D- / L- Thyroxin | 14 |
| Tiabendazol | xxx |
| Tiaprofensäure | xxx |
| Ticrynafen | 14 |
| Tierhaare, epithelien | 18 |
| Tigeraloë | 16 |
| Tiglinsäure | 2 |
| Tilia tomentosa | 16 |
| Tilidin | 14 |
| Tinidazol | xxx |
| Tintenbaum, Ostindischer | 16 |
| Tirpate | 14 |
| Titan | 12 / 18 |
| Titan-(IV)-bromid | 11 / 12 / 18 |
| Titan-(IV)-butylat | 12 / 16 / 18 / 19 / # 6 Augen |
| Titan-(III)-chlorid | 11 / 12 / 18 |
| Titan-(IV)-chlorid | |
| Titan-chlorid-tri-iso-propylat | 2 / 12 / 18 |
| Titan-dioxid | 18 / Über MAK 19b |
| Titan-(IV)-ethylat | 16 |
| Titan-hydrid | 12 / 16 / 18 |
| Titan-(IV)-iodid | 11 / 12 / 18 |
| Titan-(IV)-iso-propylat | 12 / 16 / 18 |
| Komplex-Gemisch : Titanium U N D 2,2’-Oxy-di-ethanol U N D Ammonium-lactat U N D Nitrilo-tris-(2-propanol) U N D Ethylen-glycol |
xxx |
| Titan-ocen-di-chlorid | 12 / 16 / 18 |
| Titan-oxalat | 12 / 16 / 18 / # 6 Augen |
| Titan-(IV)-oxid | 18 / Über MAK 19b |
| Titan-oxy-sulfat | 11 / 12 / 18 |
| Titan-(IV)-propylat | 12 / 16 / 18 |
| Titan-tetra-bromid | 11 / 12 / 18 |
| Titan-tetra-chlorid | |
| Titan-tetra-iodid | |
| Tizanidin | xxx |