Cyanoacetylene

Cyanoacetylene is an organic compound with formula C3HN or H−C≡C−C≡N. It is the simplest cyanopolyyne. Cyanoacetylene has been detected by spectroscopic methods in interstellar clouds, in the coma of comet Hale–Bopp and in the atmosphere of Saturn's moon Titan, where it sometimes forms expansive fog-like clouds.

Cyanoacetylene
Names
Preferred IUPAC name
Prop-2-ynenitrile
Other names
Propiolonitrile
Cyanoethyne
Monocyanoacetylene
2-Propynenitrile
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
UNII
  • InChI=1S/C3HN/c1-2-3-4/h1H N
    Key: LNDJVIYUJOJFSO-UHFFFAOYSA-N N
  • InChI=1/C3HN/c1-2-3-4/h1H
    Key: LNDJVIYUJOJFSO-UHFFFAOYAB
SMILES
  • C#CC#N
Properties
C3HN
Molar mass 51.048 g·mol−1
Melting point 5 °C (41 °F; 278 K)
Boiling point 42.5 °C (108.5 °F; 315.6 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Cyanoacetylene is one of the molecules that was produced in the Miller–Urey experiment.

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