hydrogen cyanide


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
Molecular structure of hydrogen cyanide
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)
Vapour pressure vs temperature
Critical temperature:184 °C
Critical pressure:50.0 atm
Log10 partition octanol / water:-0.25

Isomers

hydrogen cyanide
Molecular structure of hydrogen cyanide
hydrogen isocyanide
Molecular structure of hydrogen isocyanide