Ammonium cyanate

Ammonium cyanate
Identifiers
3D model (JSmol)
ChemSpider
Properties
CH4N2O
Molar mass 60.06 g·mol−1
Appearance white solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ammonium cyanate is an inorganic compound with the formula NH4OCN. It is a colorless solid.

Structure and reactions

The structure of this salt was verified by X-ray crystallography. The respective C−O and C−N distances are 1.174(8) and 1.192(7) Å, consistent with the O=C=N− description. NH4+ forms hydrogen bonds to N, not O.[1]

The compound is notable as the precursor in the Wöhler synthesis of urea, an organic compound, from inorganic reactants.[2]

[3]

References

  1. ↑ MacLean, Elizabeth J.; Harris, Kenneth D. M.; Kariuki, Benson M.; Kitchin, Simon J.; Tykwinski, Rik R.; Swainson, Ian P.; Dunitz, Jack D. (2003). "Ammonium cyanate shows N-H···N hydrogen bonding, not N-H···O". Journal of the American Chemical Society. 125: 14449–14451. doi:10.1021/ja021156x.
  2. ↑ Friedrich Wöhler (1828). "Ueber künstliche Bildung des Harnstoffs". Annalen der Physik und Chemie. 88 (2): 253–256. Bibcode:1828AnP....88..253W. doi:10.1002/andp.18280880206.
  3. ↑ Shorter, J. (1978). "The conversion of ammonium cyanate into urea. A saga in Reaction mechanisms". Chemical Society Reviews. 7: 1–14. doi:10.1039/CS9780700001.


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