Isoamyl salicylate

Say iteye-soh-AM-il suh-LIS-uh-layt

Sweet orchid-like floral with balsamic warmth and a slightly metallic, fruity edge.

What it is: A molecule made in a lab.
When you smell it: Heart: the first hours.
What perfumers do with it: Builds orchid, lilac and hyacinth accords and fougère hearts; improves diffusion and complexity.
Known in: Canoe (Dana, 1936)
Also called: Isopentyl salicylate; 3-methylbutyl 2-hydroxybenzoate

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

Sources