Hydrogen cyanide

• Formula: CHN
• Molecular weight: 27.0253
• IUPAC Standard InChI: InChI=1S/CHN/c1-2/h1H Copy

  
• IUPAC Standard InChIKey: LELOWRISYMNNSU-UHFFFAOYSA-N Copy
• CAS Registry Number: 74-90-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Hydrocyanic acid; AC; Blausaeure (German); Carbon hydride nitride (CHN); Formic anammonide; Formonitrile; HCN; Prussic Acid; Cyclon; Acide cyanhydrique; Acido cianidrico; Aero Liquid HCN; Blausaeure; Blauwzuur; Cyaanwaterstof; Cyanwasserstoff; Cyclone B; Cyjanowodor; Evercyn; NA 1051; Prussic acid, unstabilized; Rcra waste number P063; UN 1051; Zaclondiscoids; Carbon hydride nitride; Zootic acid; Agent AC; Nitrilomethane
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• Information on this page:
  • Normal boiling point
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 92
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Gas Phase Kinetics Database
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Normal boiling point

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cole, 1955
Cole, R.H., On the Dielectric Constant of Liquid Hydrogen Cyanide., J. Am. Chem. Soc., 1955, 77, 2012. [all data]

Coates and Davies, 1950
Coates, J.E.; Davies, R.H., Hydrogen Cyanide. XVIII. Some Physical Properties of Anhydrous Hydrogen Cyanide., J. Chem. Soc., 1950, 1950, 1194. [all data]

Benson, 1948
Benson, S.W., Critical densities and related properties of liquids, J. Phys. Chem., 1948, 52, 1060. [all data]

Rabinovitch and Winkler, 1942
Rabinovitch; Winkler, Can. J. Res., Sect. B, 1942, 20, 69. [all data]

Coates and Taylor, 1936
Coates, J.E.; Taylor, E.G., Hydrogen Cyanide. VIII. Conductivity of Electrolytes in Anhydrous Hydrogen Cyanide. Some Uni-univalent Salts at 18 degrees., J. Chem. Soc., 1936, 1936, 1245. [all data]

Smyth and McAlpine, 1934
Smyth, C.P.; McAlpine, K.B., J. Am. Chem. Soc., 1934, 56, 1697. [all data]

Carlisle, 1933
Carlisle, P.J., Manufacture, Handling and Use of Hydrocyanic Acid., Ind. Eng. Chem., 1933, 25, 959. [all data]

Buchanan, 1932
Buchanan, G.H., Chim. Ind. (Paris), 1932, 28, 1024. [all data]

Lowry and Henderson, 1932
Lowry, T.M.; Henderson, S.T., Molecular Structure and Physical Properties of Prussic Acid. I. Refractive Dispersion of Prussic Acid and Its Homologs., Proc. R. Soc. London, A, 1932, 136, 471. [all data]

Coates, Hinkel, et al., 1928
Coates, J.E.; Hinkel, L.E.; Angel, T.H., Studies on Hydrogen Cyanide. I. Mercuric Methyl Cyanide and the Alleged Isomerides of Hydrogen Cyanide., J. Chem. Soc., 1928, 1928, 540. [all data]

Enklaar, 1927
Enklaar, C.J., Recl. Trav. Chim. Pays-Bas, 1927, 46, 709. [all data]

Manjiro and Shirado, 1927
Manjiro; Shirado, Bull. Chem. Soc. Jpn., 1927, 2, 122. [all data]

Walker and Marvin, 1926
Walker, M.; Marvin, C.J., Determination of strength of liquid hydrocyanic acid by specific gravity, Ind. Eng. Chem., 1926, 18, 139. [all data]

Hara and Sinozaki, 1923
Hara, R.; Sinozaki, H., Kogyo Kagaku Zasshi, 1923, 26, 884. [all data]

Harker, 1921
Harker, G., J. Soc. Chem. Ind., London, Trans. Commun., 1921, 40, 182. [all data]

Notes

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• Symbols used in this document:
  

  Tboil

  Boiling point

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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