Tonka bean

At a glance

Tonka bean is a sweet, hay-like material extracted from Dipteryx odorata seeds and the natural source of coumarin, central to the fougere and gourmand families.

Category
⚗️ Synthetic
Origin
Dipteryx odorata seeds, primarily Venezuela and Brazil
Extraction
Solvent extraction
CAS number
8046-22-8
Profile
Sweet, hay-like scent with almond and caramel facets, rich in natural coumarin
IFRA status
Restricted, coumarin content under IFRA limits
Cost tier
Medium
● drafted · Sources: Botanical and extraction-method reference literature; IFRA Standards documentation· last checked 2026-07-16