Isobornyl acetate

Say iteye-soh-BOR-nil AS-ih-tayt

Fresh, sweet pine needle, camphoraceous and slightly balsamic.

What it is: A molecule made from a natural raw material.
When you smell it: Top notes: the first minutes.
What perfumers do with it: Cheap, high-volume pine note for household, bath and fougère fragrances.
Worth knowing: It is also the intermediate in the classic industrial route from turpentine to synthetic camphor.
Also called: IBA; exo-bornyl acetate

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