Skip to main content

γ-Linolenic acid

Also known as: gamma-Linolenic acid, gamolenic acid, (6Z,9Z,12Z)-octadeca-6,9,12-trienoic acid, all-cis-6,9,12-octadecatrienoic acid, (Z,Z,Z)-6,9,12-octadecatrienoic acid, cis,cis,cis-6,9,12-octadecatrienoic acid, C18:3 (all cis-6,9,12) acid

γ-Linolenic acid (CAS 506-26-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H30O2 and a molecular weight of 278.430 g/mol. Key properties include a boiling point of 379.5±11.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 276.4±14.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
506-26-3
Jingsj CID
J-37854-1
Molecular Formula
C18H30O2
Molecular Weight
278.430 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point379.5±11.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point276.4±14.4 °C
Exact Mass278.224579
PSA37.30000
LogP6.57
Appearanceliquid
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.491

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Sergeant S, et al. Gamma-linolenic acid, Dihommo-gamma linolenic, Eicosanoids and Inflammatory Processes. Eur J Pharmacol. 2016 Aug 15;785:77-86.

Customs & Trade Information

HS Code2916190090
Summary2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of γ-Linolenic acid?

The CAS number of γ-Linolenic acid is 506-26-3.

What are the molecular formula and molecular weight of γ-Linolenic acid?

γ-Linolenic acid has molecular formula C18H30O2 and molecular weight 278.430 g/mol.

Is γ-Linolenic acid hazardous?

γ-Linolenic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of γ-Linolenic acid?

For γ-Linolenic acid, Upstream Products: Linoleic acid, Methyl γ-linolenate, 6-Heptynoic acid; Downstream Products: 1,3-Dicyclohexylurea, Trilinolenin, Methyl γ-linolenate.

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

Last updated:

How to cite: Jingsj. "γ-Linolenic acid (CAS 506-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37854-1 (accessed 2026-11-09).

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