| Ha - Hd | Nummer |
| Hafnium | 16 |
| Hafnium-tetra-n-butoxid | 16 / 18 / # 6 Augen |
| Hagenia abyssinica | 14 |
| Hahnenfuß, Blauer | 16 / 19b |
| Hahnenfuß, Scharfer | 14 |
| Hahnenkamm | 14 / # 227 ++ |
| Hain-Sauerklee | # 227 + |
| Halacrinat | 14 |
| Halazepam | 14 / # 119 Benzo |
| Halimedatrial | 16 |
| Hallimasch | 16 / Roh: # 227 + |
| Halloysit | 19a |
| Halofantrin | xxx |
| Halon 1211 | 5 / 6 / 16 |
| Halon 1301 | 16 / 19 / Über AGW 19b |
| Halon 2402 | 11 / 19 |
| Haloperidol | 17 |
| Halothan | 17 / 19b / # 6 Augen / Über AGW / BGW 19b |
| Haloxazolam | 14 / # 119 Benzo |
| Haloxyfop | 14 |
| Haloxyfop-R | |
| Haloxyfop-ethoxyethylester | xxx |
| Hämolysine | xxx |
| Hanf | 14 |
| Harmalin | |
| Harmalol-Hydrochlorid-Dihydrat | |
| Harman | |
| Harman-Hydrochlorid-Monohydrat | |
| Harmin | |
| Harmin-Hydrochlorid-Monohydrat | |
| Harmol | |
| Harmol-Hydrochlorid | |
| Harnstoff | |
| Harnstoff-Wasserstoffperoxid-Tabletten | 2 |
| Harpagosid | 16 |
| Hartholzstäube | 18 / 19a |
| Hartmetall, Wolframcarbid- & Cobalthaltig | 18 / 19a / # (19c) / # 21 Haut |
| Hartriegel, Roter | 16 / # 227 (+) |
| Haschisch | 14 / # 236 Info |
| Haselwurz | 14 |
| Hausschwamm, Echter | 16 |
| Hautkopf, Blut- | |
| Hautkopf, Orangefuchsiger | 14 / 9 / # 227 ++ |
| H C Blue Nr. 9 / 10 / 11 / 12 | 18 |
| H C Orange Nr. 2 | |
| H C Red Nr. 10 / 11 / 13 | |
| H C Violet Nr. 1 | |
| H C Yellow Nr. 10 | |
| H C B | 10 / 19 / 19a |
| H C H | 14 / 19 / # (19a) / # 21 Haut |
| α - H C H | |
| β - H C H |