Not drawn yet: a drawing of what it smells like.

Alcohol C-11 undecylenic

Ingredients · Aldehydes · heart note

Alcohol C-11 undecylenic

Say itAlcohol SEE-ih-LEV-un un-des-ih-LEN-ik

Clean, waxy rose petals with a citrus zing and a cool ozone touch.

What it is
A molecule made in a lab.
When you smell it
Heart: the first hours.
What perfumers do with it
Adds dewy, just-washed freshness to rose, jasmine, lilac and tuberose; milder than its aldehyde.
Also called
10-undecen-1-ol; undecylenic alcohol

Not on the label of any of the 232 perfumes read so far.