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Title: Propynal  
Author: World Heritage Encyclopedia
Language: English
Subject: Version 1.0 Editorial Team/Chemicals articles by quality log, C3H2O, Methanol, Aldehydes, Diazenylium
Collection: Aldehydes
Publisher: World Heritage Encyclopedia


Molar mass 54.05 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Propynal is an molecular formula C3H2O. It is the simplest possible chemical compound containing both alkyne and aldehyde functional groups.


Propynal has been observed in the interstellar medium. It is hypothesized to be formed from a carbon monoxide-acetylene complex.[1] Another possible pathway is through the reaction of propynylidyne (C3H) with water.[2]

See also


  1. ^ Zhou, Li; Ralf I. Kaiser (2008), "Pathways to Oxygen-Bearing Molecules in the Interstellar Medium and in Planetary Atmospheres: Cyclopropenone (c-C3H2O) and Propynal (HCCCHO)", The Astrophysical Journal 686 (2),  
  2. ^ Xie, Hong-bin; Chang-bin Shao (2007), "Radical-Molecule Reaction C3H + H2O on Amorphous Water Ice: A Promising Route for Interstellar Propynal", The Astrophysical Journal 670 (1),  

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