| Benz [ a - n ] | Nummer |
| Benz(e)-acephen-anthrylen | 14 / 19a |
| Benzadox | 16 |
| Benzalbromid | 14 / 18 / 19 / # 40 Tränen |
| Benzalchlorid | 14 / 3 / 19 /
# (19a+c) / # 6 Augen / # 21 Haut |
| Benzaldehyd | 16 / 18 |
| Benzaldehyd-cyanhydrin | 7 / 16 |
| Benzaldehyd-di-methylacetal | 16 |
| Benzalkonium-chlorid | 2 / gelegentlich 18 |
| Benzalkonium-chlorid-bromid | xxx |
| Benzalkonium-chlorid-saccharid | xxx |
| Benzamid | 16 |
| 4-Benzamido-5-hydroxy-naphthalin-2,7-di-sulfonsäure Dinatriumsalz | |
| Benzamine | 14 |
| Benz(a)anthracen | 14 / 19a |
| Benzatropin | 1 |
| Benzbromaron | xxx |
| Benzethidin | 17 |
| Benzethoniumchlorid | xxx |
| Benzfetamin | 14 |
| 2-(Benzhydryl-sulfinyl)-acetamid | |
| Benzidin | 14 / # (19a+c) / # 21 Haut |
| Benzidin-Salze | 14 / 19a / # 21 Haut |
| Benzidin-acetat | xxx |
| Benzidin-Hydrochlorid | 14 / 19a |
| Benzidinsulfat | |
| Benzidinsulfat (1 : 1) | xxx |
| Benzil | 16 |
| Benzildimethylketal | 16 / 18 |
| Benziloniumbromid | 16 |
| Benzilsäure | |
| Benzilsäure-2-di-ethyl-amino-ethylester | |
| Benzimidazolon | |
| 2-Benzimidazolthiol | 16 / selten 18 |
| Benzimidazolyl-acetonitril | 16 |
| 2-Benzimidazolyl-harnstoff | 16 / # (19c) |
| Benzin | 10 / 19a |
| 1,2-Benzisothiazol-3-(2H)-on | 16 / 18 / # 6 Augen |