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Alpha-Terpineol

CAS
EC
Material type
synthetic aroma chemical
Canonical source
arctander
Formulation

Usage guidance

Suggested min
Suggested max
Cost
Stock
Compatibility tags
florallilaccolognefougeremuguetpine
How it behaves

Olfactory profile

Family
floral
Note tendency
Middle
Descriptors
floralsweet

Soft floral-woody aroma reminiscent of lilac and pine sap, with a clean, slightly medicinal freshness. Mildly sweet and rounded, with a pale coniferous undertone that carries into a subtle waxy-woody drydown.AI · claude-opus-4-7

Intensity
5 / 10
Tenacity
5 / 10
Volatility
6 / 10
Reverse-composition

Contained in

Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.

chemicals · No. 2877

Arctander monograph

Perfume and Flavor Chemicals, page 1275.

MIDDLEtenacity · highpower · strongsteam distillationG.R.A.S.FEMA 3045
floralsweetpineymedicinal
MW
154.25
BP
219°C
MP
35°C
Sp.Gr.
0.94
Refractive n
Rotation
Appearance

Colorless, slightly viscous liquid.

Solubility

Very slightly soluble in water, soluble in alcohol, propylene glycol, mineral oil and perfume and flavor materials.

Odor

The odor of high-grade alpha-Terpineol is delicately floral and sweet of Lilac type, strongly influenced by minute amounts of impurities of different odor types.

Flavor

Alpha-Terpineol is used in discrete amounts in various flavor compositions, such as berry flavors, lemon, lime, nutmeg, orange, ginger, anise, peach, etc.

Uses in perfumery

Alpha-Terpineol is one of the most commonly used of all perfume chemicals. It is a basic component in Lilac perfumes and a major component of many varieties of Pine fragrances, as well as a common ingredient in Fougères, Appleblossoms, fragrances for household products, soaps, and detergents.

Uses in flavor

Alpha-Terpineol is necessary for high-quality flavor compositions, particularly in citrus and spice flavors.

Production

1) by isolation from American Pine oil 2) from alpha-Pinene via Terpin hydrate or directly to Terpineol by hydration 3) from Pentane tricarboxylic acid by cyclization, followed by esterification, via the Hydroxyester to the unsaturated ester, and by Grignard reagent to Terpineol. 4) from Isoprene and Methyl vinyl ketone with Methyl magnesium iodide.

Identity
Aliases · 5
alpha-Terpineolbeta-Terpineolcommercial TerpineolI-Methyl-4-iso-propyl-cyclohexen-8-olpara-Menth-1-en-8-ol
Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).