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(-)-alpha-Terpineol

Also known as: (S)-(-)-alpha-Terpineol, l-alpha-terpineol, L-α-Terpineol, (-)-α-Terpineol, (S)-p-Menth-1-en-8-ol, 2-[(1S)-4-Methylcyclohex-3-en-1-yl]propan-2-ol, (S)-2-(4-Methyl-3-cyclohexenyl)-2-propanol, p-Menth-1-en-8-ol, (S)-(-)-, FEMA 3045

(-)-alpha-Terpineol (CAS 10482-56-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H18O and a molecular weight of 154.249 g/mol. Key properties include a melting point of 31-35ºC, a boiling point of 217.5±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 89.4±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10482-56-1
Jingsj CID
J-7767-7
Molecular Formula
C10H18O
Molecular Weight
154.249 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point31-35ºC
Boiling Point217.5±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point89.4±0.0 °C
Exact Mass154.135757
PSA20.23000
LogP2.79
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.483

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Activity & Biological Data

Additional Information[1]. Song M, et al. Investigation of a Quantitative Method for the Analysis of Chiral Monoterpenes in White Wine by HS-SPME-MDGC-MS of Different Wine Matrices. Molecules. 2015 Apr 22;20(4):7359-78.

Customs & Trade Information

HS Code2906199090
Summary2906199090. cyclanic, cyclenic or cyclotherpenic alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (-)-alpha-Terpineol?

The CAS number of (-)-alpha-Terpineol is 10482-56-1.

What are the molecular formula and molecular weight of (-)-alpha-Terpineol?

(-)-alpha-Terpineol has molecular formula C10H18O and molecular weight 154.249 g/mol.

Is (-)-alpha-Terpineol hazardous?

(-)-alpha-Terpineol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of (-)-alpha-Terpineol?

For (-)-alpha-Terpineol, Upstream Products: Methylmagnesium bromide, (S)-(-)-Limonene, Methylmagnesium iodide; Downstream Products: limonene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(-)-alpha-Terpineol (CAS 10482-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7767-7 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.