| Dutch name | Benzeen |
| CAS registration number | 71-43-2 |
| UN-number | 1114 |
| Chemical formula | C6 H6 |
| Molecular weight | 78.12 |
| Density (g/l) | 879 |
| Pressure (Pa) | 10130 |
| Solubility (g/l) | 1 |
| Pow | 0 |
| Phase | Liquid |
| Gesamp A (Bioaccumulation) | Not known to be significantly bioaccumulative, or to support one of the above ratings |
| Gesamp B (Damage to living resources) | Slightly toxic |
| Gesamp D (Skin contact and inhalation) | Hazardous (carcinogen) |
| Gesamp E (Reduction of amenities) | Highly objectionable because of persistence, smell or poisonous or irritant characteristics. As a result, beaches are liable to be closed. |
| Persistence | ? |
| Carcinogenic | Y |
| Behaviour | evaporator |
| R11: | highly flammable |
| R23: | toxic by inhalation |
| R24: | toxic in contact with skin |
| R39: | danger of very serious irreversible effects |
| S16: | keep away from sources of ignition - no smoking |
| S29: | do not empty into drains |
| S9: | keep container in a well ventilated place |
Ecotoxicological data: 64 records (List)