Warm, sweet, root-cellar bark. Sassafras smells like scraping the rust-coloured root of a Lauraceae tree with a pocketknife — anisic, camphorous, faintly medicinal, with a sweetness that once defined root beer before the FDA pulled safrole from the food supply in 1960.
Sweet, anisic warmth over a camphorous-medicinal core, grounded by raw bark and damp earth. Softer and more rounded than estragole (tarragon’s sharp green anise), warmer and dirtier than anethole (star anise’s clean sweetness). There is a rootlike quality — wet soil under old wood — that separates sassafras from its phenylpropanoid cousins. A faint peppery bite sits behind the sweetness, and the overall impression is of warm bark freshly scraped, sweet sap darkening in air.
Soft, sweet-woody residue with faint anisic trace. Moderate tenacity — safrole (MW 162, bp 234°C) is semi-volatile.
Terroir & Maturity
Indicative 2025 wholesale prices.
The Full Story
Sassafras albidum is a deciduous tree of the Lauraceae family, native to eastern North America from Maine to Florida. The root bark yields a yellow-to-reddish-brown essential oil composed of 80–90% safrole (4-allyl-1,2-methylenedioxybenzene, CAS 94-59-7), a phenylpropanoid with a warm, sweet, anisic-camphorous character. It is this molecule that gave original root beer its signature flavour.
Safrole occupies a rare position as a molecule regulated by three separate agencies. The FDA banned it from food products in 1960 under 21 CFR 189.180 after studies demonstrated hepatocarcinogenicity in rats. The DEA classifies it as a List I chemical because it is a direct precursor to MDMA — safrole isomerises to isosafrole, which oxidises to MDP2P (piperonyl methyl ketone), the penultimate intermediate. IFRA prohibits safrole as a standalone fragrance ingredient and restricts safrole-containing essential oils so that the total safrole concentration in the finished consumer product does not exceed 0.01%.
In perfumery, sassafr as functions in the heart-to-base zone as a warm, anisic-woody modifier. Its olfactory territory overlaps with estragole (tarrag on) and anethole (anise), but safrole is earthier than either — rooted in bark rather than herb or seed. Safrole-free sassafr as fractions exist but lose much of the material’s character. The more perfumery-relevant derivative is heliotrop in (piperonal, CAS 120-57-0), an aldehyde obtained by oxidative cleavage of isosafrole, comm on for its powdery, vanillic-almond qualities in carnati on, fougère, and ambery compositions.
The Choctaw people of the American South were the first to process sassafras — drying and pulverising the leaves into filé powder, a mucilaginous thickener for gumbo. The leaves contain far less safrole than the root bark and remain legal in food use.
This note in Première Peau. Nuit Elastique · Albâtre Sépia. Sample all seven extraits in the Discovery Set.
In June 2008, Cambodian authorities and the Australian Federal Police publicly burned 33 tonnes of sassafras oil — seized from 1,278 barrels in Pursat province — that could have produced an estimated 245 million MDMA tablets with a street value of $7.6 billion. The oil came not from Sassafras albidum but from Cinnamomum parthenoxylon (mreah prew phnom), an endangered Southeast Asian tree felled by the thousands for its safrole-rich heartwood.
Extraction & Chemistry
Extraction method: Steam distillation of the root bark of Sassafras albidum. The oil is yellow to reddish-brown, with a strong sweet-anisic odour. Yield is low — roughly 1–2% from dried root bark, though figures vary with tree age and harvest season. The crude oil contains 80–90% safrole, with camphor (~3%) and methyleugenol (~1%) as minor constituents. Safrole-free variants are produced by fractional distillation, removing the safrole fraction, but the resulting oil is olfactively diminished. Due to DEA List I classification of safrole, procurement of full-spectrum sassafras oil requires regulatory documentation in the United States.
Restricted (contains safrole, a carcinogenicity concern)
Synonyms
SASSAFRAS OIL · SASSAFRAS BARK · SASSAFRAS ROOT
Physical Properties
Odor Strength
Medium
Lasting Power
144 hours at 100.00%
Appearance
yellowish brown clear liquid
Boiling Point
236.00 °C. @ 760.00 mm Hg
Flash Point
225.00 °F. TCC ( 107.22 °C. )
Specific Gravity
1.07900 to 1.09800 @ 25.00 °C.
Refractive Index
1.53300 to 1.53700 @ 20.00 °C.
In Perfumery
Sassafr as oil operates as a warm, anisic-woody modifier in the heart-to-base transiti on. Its primary odorant, safrole (80–90% of root bark oil), delivers a sweet-earthy warmth with camphorous lift. IFRA prohib its safrole as a standalone ingredient; oils containing it are restricted to 0.01% safrole in consumer products, which severely lim its its use in modern formul as. Safrole-free fractions exist but lack the material’s particular rootlike sweetness. The more commercially significant legacy of sassafr as in perfumery is heliotrop in (piperonal, CAS 120-57-0), synthesised from safrole via isosafrole oxidati on. Heliotrop in provides powdery, vanillic-almond qualities essential to carnati on accords, ambery bases, and fougère hearts. It remains a comm on aromatic aldehydes in the industry. Sassafr as’s olfactory territory — warm, anisic, earthy — can be partially reconstructed with combinations of estragole, heliotrop in, and vetiver fractions, though no single substitute captures the root beer-bark specificity of the natural oil. Amber and chypre compositions historically incorporated sassafr as for its grounding warmth. The note shares tonal space with materials found in amber-forward compositions.
