Oct-1-en-3-one

Oct-1-en-3-one (CH2=CHC(=O)(CH2)4CH3), also known as 1-octen-3-one or amyl vinyl ketone, is the odorant that is responsible for the typical "metallic" smell of metals and blood coming into contact with skin. Oct-1-en-3-one has a strong metallic mushroom-like odor with an odor detection threshold of 0.03–1.12 µg/m3 and it is the main compound responsible for the "smell of metal", followed by decanal (smell: orange skin, flowery) and nonanal (smell: tallowy, fruity). Oct-1-en-3-one is the degradative reduction product of the chemical reaction of skin lipid peroxides and Fe2+. Skin lipid peroxides are formed from skin lipid by oxidation, either enzymatically by lipoxygenases or by air oxygen. Oct-1-en-3-one is a ketone analog of the alkene 1-octene.

Oct-1-en-3-one
Names
Preferred IUPAC name
Oct-1-en-3-one
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.022.116
UNII
  • InChI=1S/C8H14O/c1-3-5-6-7-8(9)4-2/h4H,2-3,5-7H2,1H3 Y
    Key: KLTVSWGXIAYTHO-UHFFFAOYSA-N Y
  • InChI=1/C8H14O/c1-3-5-6-7-8(9)4-2/h4H,2-3,5-7H2,1H3
  • InChI=1/C8H14O/c1-3-5-6-7-8(9)4-2/h4H,2-3,5-7H2,1H3
    Key: KLTVSWGXIAYTHO-UHFFFAOYAV
  • O=C(C=C)CCCCC
Properties
C8H14O
Molar mass 126.20 g/mol
Related compounds
Related enones
 Methyl vinyl ketone
Related compounds
 1-Octene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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