Acetylpropionyl

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Acetylpropionyl
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Names
IUPAC name
2,3-Pentanedione
Identifiers
600-14-6
ChemSpider 11254
Jmol 3D model Interactive image
PubChem 11747
  • InChI=1S/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3
    Key: TZMFJUDUGYTVRY-UHFFFAOYSA-N
  • InChI=1/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3
    Key: TZMFJUDUGYTVRY-UHFFFAOYAL
  • CCC(=O)C(=O)C
Properties
C5H8O2
Molar mass 100.12 g·mol−1
Vapor pressure {{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Acetylpropionyl, also known as acetyl propionyl or 2,3-pentanedione,[1] is an organic compound, more specifically a diketone. It is a structural isomer of acetylacetone (2,4-pentanedione).

Uses for acetylpropionyl include:

As a flavoring agent, it is a controversial[3] ingredient in some e-liquid products for use with electronic cigarettes. According to the National Institute for Occupational Safety and Health , inhalation of acetylpropionyl causes respiratory tract epithelial damage and fibrosis to lungs in animal studies. It also causes genetic changes in the animals' brains.[4] Acetylpropionyl was found to cause both intraluminal and intramural fibrotic airway lesions in rats.[5] One study of the composition of 159 different e-liquid products, performed by Farsalinos et al., concluded that the use of acetylpropionyl and diacetyl in E-liquids represents an avoidable risk, and additionally that proper measures should be taken by E-liquid manufacturers and flavoring suppliers to eliminate these hazards from the products.[6]

See also

References

  1. http://pubchem.ncbi.nlm.nih.gov/compound/2_3-pentanedione#section=Top
  2. http://www.chemicalland21.com/lifescience/foco/2,3-PENTANEDIONE.htm
  3. http://www.nicvape.com/blog/A-Very-Important-Message-from-NicVape
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