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(1S)-(-)-Alpha-Pinene

Also known as: (-)-alpha-pinene, (-)-α-pinene, (1S)-(-)-A-PINENE FOR SYNTHESIS, (1S)-(-)-a-pinene, (1S)-(-)-alpha-Pinene, (1S)-(-)-alpha-Pinene, 98% 250ML, (1S)-(-)-alpha-Pinene, 98% 500ML, (1S)-(-)-pin-2-ene, (1S)-(-)-α-Pinene, (1S)-2,6,6-trimethylbicyclo[3.1.1]-2-heptene, (1S,5S)-2,6,6-Trimethyl-bicyclo[3.1.1]hept-2-ene, (1S,5S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene, (1S,5S)-4,6,6-trimethylbicyclo[3.1.1]hept-3-ene, (1S,5S)-Pin-2-ene, (1S,5S)-α-Pinene, (1s)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1S,5S)-, EINECS 232-077-3, L46 A EUTJ A1 A1 D1 &&(-)-α or (1S,5S)- Form, MFCD00064145

(1S)-(-)-Alpha-Pinene (CAS 7785-26-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H16 and a molecular weight of 136.234 g/mol. Key properties include a melting point of -64ºC, a boiling point of 157.9±7.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 32.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7785-26-4
Jingsj CID
J-47068-5
Molecular Formula
C10H16
Molecular Weight
136.234 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-64ºC
Boiling Point157.9±7.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point32.2±0.0 °C
Exact Mass136.125198
LogP4.37
Vapor Pressure3.5±0.1 mmHg at 25°C
Refractive Index1.479
Storage Conditions2-8℃

GHS Safety & Compliance

Flammable / Irritant / Environmental HazardSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information[1]. Yang H, et al. α-Pinene, a Major Constituent of Pine Tree Oils, Enhances Non-Rapid Eye Movement Sleep in Micethrough GABAA-benzodiazepine Receptors.

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (1S)-(-)-Alpha-Pinene?

The CAS number of (1S)-(-)-Alpha-Pinene is 7785-26-4.

What are the molecular formula and molecular weight of (1S)-(-)-Alpha-Pinene?

(1S)-(-)-Alpha-Pinene has molecular formula C10H16 and molecular weight 136.234 g/mol.

Is (1S)-(-)-Alpha-Pinene hazardous?

(1S)-(-)-Alpha-Pinene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of (1S)-(-)-Alpha-Pinene?

For (1S)-(-)-Alpha-Pinene, Upstream Products: Beta-pinene, Dibutylamine, (-)-Myrtenol; Downstream Products: (+)-Ipc2B(allyl)borane, (S)-(-)-Limonene, (+)-alpha-Pinene.

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

Last updated:

How to cite: Jingsj. "(1S)-(-)-Alpha-Pinene (CAS 7785-26-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47068-5 (accessed 2026-11-06).

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