| Dutch name | Blauwzuur |
| CAS registration number | 74-90-8 |
| UN-number | 1051 |
| Chemical formula | HCN |
| Molecular weight | 27 |
| Density (g/l) | 690 |
| Pressure (Pa) | 82700 |
| Solubility (g/l) | 690 |
| 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) | Highly toxic |
| Gesamp D (Skin contact and inhalation) | Hazardous (carcinogen) |
| Gesamp E (Reduction of amenities) | Moderately objectionable because of persistence, smell or poisonous or irritant characteristics. Short-term effects lead to temporary interference with the use of beaches. |
| Persistence | ? |
| Carcinogenic | N |
| Behaviour | dissolver |
Ecotoxicological data: 9 records (List)