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

Isobutyl quinoline

Ingredients · Leather & smoke · dry-down

Isobutyl quinoline

Say iteye-soh-BYOO-til KWIN-uh-leen

Bitter burnt leather, green-earthy and rooty, with a green-fruit nuance.

What it is
A molecule made in a lab.
When you smell it
Dry-down: hours later.
What perfumers do with it
The classic leather chemical; gives chypres and masculine leathers their dry, bitter hide note.
Worth knowing
Its discovery inspired de Laire's Mousse de Saxe base, the leathery heart of Caron's Nuit de Noël.
Known in
Nuit de Noël (Caron, 1922)
Also called
IBQ; 6-isobutylquinoline

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