Heavy, dark, resinous. Ironwood smells like old-growth forest compressed into a single note — dense heartwood with tarry depth and a slow, sweet underbelly.
Dense, resinous, and mineral. Heavier than cedarwood, less sweet than sandalwood, more structured than patchouli. A slow-developing woodiness with tarry-smoky undertones and a faint sweetness emerging over time — like old workshop wood impregnated with decades of varnish and dust.
Drier than guaiac wood, which has a pronounced smoky-phenolic character. Ironwood reads as solid, architectural, almost metallic in its hardness.
Persistent woody-smoky base, architectural and dry
Terroir & Maturity
Indicative 2025 wholesale prices.
The Full Story
Ironwood is a common name applied to several unrelated tree species known for extremely dense heartwood — Eusideroxylon zwageri (Borneo ironwood), Guaiacum spp. (lignum vitae), Olneya tesota (desert ironwood), among others. In perfumery, the term typically refers to the aromatic qualities of tropical hardwoods with high resin content.
The scent profile of ironwood in perfumery is constructed rather than extracted from a single botanical source. It carries dense, dark, resinous wood — heavier than cedar, less creamy than sandalwood, more structured than guaiac. The impression is of wood that has aged undisturbed: dry, mineral, slightly smoky.
As a note concept, ironwood appears in compositions seeking a raw, unpolished woodiness that avoids the well-worn sandalwood or cedar paths. It pairs with leather, smoke, incense, and dark resins.
Borneo ironwood (Eusideroxylon zwageri) has a wood density of 0.9-1.2 g/cm3 — dense enough to sink in water. Archaeological evidence shows ironwood posts in Borneo longhouses surviving structurally intact for over 1,000 years.
Extraction & Chemistry
Extraction method: Extraction data not independently verified. The term 'ironwood' in perfumery typically represents a constructed accord rather than a single botanical extraction. Where actual ironwood heartwood is processed, steam distillation or CO2 extraction of the dense wood would be the likely methods.
Complex mixture — key: guaiol (C₁₅H₂₆O, CAS 489-86-1)
CAS Number
N/A — no standard CAS for ironwood essential oil
Botanical Name
Guaiacum officinale
IFRA Status
No known restrictions
Synonyms
LIGNUM VITAE · IRONWOOD TREE
Physical Properties
Odor Strength
Medium
Appearance
Pale yellow to amber viscous liquid
Specific Gravity
1.100 to 1.250 @ 25 °C (heartwood, est)
In Perfumery
Ironwood functions as a base note providing structural density. It anchors heavy woody, leather, and incense compositions. The note concept is typically built from combinations of guaiac wood, cedryl acetate, vetiver, and woody-amber molecules rather than extracted from a single source. Useful in masculine-leaning woody and chypre structures.
