Hydrogen Cyanide

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Properties Simple | Detailed

Formula CHN
IUPAC Name formonitrile
Molecular Mass 27.025 g·mol−1
Heat of Formation 124.9 ± 16.7 kJ·mol−1
Dipole Moment 2.77 ± 1.08 D
Volume 43.34 Å 3
Surface Area 61.08 Å 2
HOMO Energy -13.80 ± 0.55 eV
LUMO Energy 3.91 ± eV
Point Group Symmetry C*v
Synonyms
  • [chn]
  • acide cyanhydrique [iso-french]
  • aero liquid hcn
  • blausaeure
  • carbon hydride nitride (chn)
  • caswell no. 483
  • cyanide group
  • cyanwasserstoff
  • cyclon
  • cyclone b
  • epa pesticide chemical code 045801
  • evercyn
  • formic anammonide
  • hydridonitridocarbon
  • hydrocyanic acid
  • hydrocyanic acid (prussic), unstabilized [forbidden]
  • hydrocyanic acid aqueous solutions, with not >20% hydrocyanic acid
  • hydrocyanic acid, anhydrous, stabilized
  • hydrocyanic acid, anhydrous, stabilized, absorbed in a porous inert material
  • hydrocyanic acid, aqueous solutions <5% hydrogen cyanide [na1613] [poison]
  • hydrocyanic acid, aqueous solutions or hydrogen cyanide, aqueous solutions with not > 20% hydrogen cyanide [un1613] [poison]
  • hydrogen cyanide [iso]
  • hydrogen cyanide, anhydrous, stabilized
  • hydrogen cyanide, anhydrous, stabilized, absorbed in a porous inert material
  • hydrogen cyanide, solution in alcohol with not >45% hydrogen cyanide [un3294] [poison]
  • hydrogen cyanide, stabilized with <3% water [un1051] [poison]
  • hydrogen cyanide, stabilized, with <3% water and absorbed in a porous inert material [un1614] [poison]
  • hydrogen(nitridocarbonate)
  • methanenitrile
  • na1613
  • prussic acid
  • prussic acid, anhydrous, stabilized
  • prussic acid, anhydrous, stabilized, absorbed in a porous inert material
  • zaclondiscoids
  • zyklon b
CAS Number(s)
  • 191234-22-7
  • 341972-31-4
  • 74-90-8
InChIKey LELOWRISYMNNSU-UHFFFAOYSA-N
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Elements H C N