Pomarose

Pomarose
Names
Preferred IUPAC name
(2E,5Z)-5,6,7-Trimethylocta-2,5-dien-4-one
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C11H18O/c1-6-7-11(12)10(5)9(4)8(2)3/h6-8H,1-5H3/b7-6+,10-9- Y
    Key: QWRGOHMKGNCVAC-KQHSAVHASA-N Y
  • O=C(/C(C)=C(C)\C(C)C)/C=C/C
Properties
C11H18O
Molar mass 166.264 g·mol−1
Density 0.855 g/cm3
Boiling point 236.2 °C (457.2 °F; 509.3 K)
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

Pomarose is a high-impact captive odorant patented by Givaudan. It is a double-unsaturated ketone that does not occur in nature. Pomarose has a powerful fruity rose odor with nuances of apples, plums and raisins, which is almost entirely due to the (2E,5Z)-stereoisomer, while its (2E,5E)-isomer is barely detectable for most people. Catalyzed by traces of acids, both isomers equilibrate however quickly upon standing in glass containers.

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