| cyanhydric acid; formonitrile; hydrocyanic acid; hydrogen cyanide; prussic acid | |
| Links: | 🌍 Wikipedia, 📏 NIST, 📖 PubMed, 📖Houben-Weyl, 2. Band (Blausäure); p. 176, 250, 309, 366, 451, 468, 799, 999, 1003, 📖Org. Chem., v. Richter, 1. Vol (Hydrocyanic Acid); p. 164, 236, 239, 460, |
| MeSH: | Chemical Warfare Agents; Noxae; Poisons |
| CAS RN: | [74-90-8] |
| Formula: | CHN; 27.03 g/mol |
| InChiKey: | LELOWRISYMNNSU-UHFFFAOYSA-N |
| SMILES: | C#N |
| Toxicology (LD50): | 2.00 mg/Kg (cat, sc); 61.0 mg/Kg(frog, sc); 3.000 mg/Kg(guinea~pig, sc); 3.000 mg/Kg(human, or); 4.00 mg/Kg(mouse, ip); 6.00 mg/Kg(mouse, sc); 4.00 mg/Kg(mouse, sc); 3.000 mg/Kg(rabbit, iv); 6.00 mg/Kg(rabbit, or); 0.00 mg/Kg(rabbit, sc) |
| Density: | 0.697 g/mL |
| Molar volume: | 38.8 mL/mol |
| Refractive index: | 1.268 |
| Molecular refractive power: | 6.52 mL/mol |
| Dielectric constant: | 114.90 |
| Dipole moment: | 2.99 D |
| Melting point: | -13 °C |
| Boiling point: | 26 °C |
| Vapour pressure: | 82 Torr |
| Antoine equation P(Torr) vs T(°C) | |
| Critical temperature: | 184 °C |
| Critical pressure: | 50.0 atm |
| Log10 partition octanol / water: | -0.25 |