Linoleic acid

CAS 60-33-3

Linoleic acid is an essential fatty acid used as a nutrient and a flavouring. The body cannot make it, which is what essential means here.

Where it is and isn’t permitted

Status of Linoleic acid by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted21 CFR 184.1065retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Obtained from vegetable oils, chiefly safflower, sunflower and soya.

  • Vegan
  • Vegetarian
CAS registry number
60-33-3
InChIKey
OYHQOLUKZRVURQ-HZJYTTRNSA-N
PubChem
CID 5280450

Every name it appears under

63 recorded names. A label may use any of them.

CAS registry number

  • 30175-49-6
  • 60-33-3
  • 8024-22-4
  • 80969-37-5
  • 85594-37-2
  • 98353-71-0

As it appears in regulation

  • Linoleic acid

Other names

  • (14C)-Linoleic acid
  • (14C)alpha-Linolenic acid
  • (9Z,12Z)-9,12-octadecadienoic acid
  • (9Z,12Z)-octadeca-9,12-dienoic acid
  • (9Z,12Z)-Octadecadienoic acid
  • (Z,Z)-9,12-Octadecadienoic acid
  • (Z,Z)-Octadeca-9, 12-dienoic acid
  • 14C-Linoleic acid
  • 9 trans,12 trans Octadecadienoic Acid
  • 9,12 Octadecadienoic Acid
  • 9,12-Linoleic acid
  • 9,12-Octadecadienoic acid (9Z,12Z)-
  • 9,12-Octadecadienoic acid (Z,Z)-
  • 9-cis,12-cis-Linoleic acid
  • 9-cis,12-cis-Octadecadienoic acid
  • 9-trans,12-trans-Octadecadienoic Acid
  • 9KJL21T0QJ
  • 9Z,12Z-Linoleate
  • 9Z,12Z-Linoleic acid
  • 9Z,12Z-octadecadienoic acid
  • Acid, 9,12-Octadecadienoic
  • acide cis-linoleique
  • acide linoleique
  • acido linoleico
  • all-cis-9,12-Octadecadienoic acid
  • alpha-Linoleic acid
  • CAS-60-33-3
  • CCRIS 650
  • Cis, cis-octadeca-9,12-dienoic acid
  • cis,cis-9,12-Octadecadienoic acid
  • cis,cis-Linoleic acid
  • cis-9,cis-12-Octadecadienoic acid
  • cis-Delta(9,12)-octadecadienoic acid
  • cis-delta9,12-Octadecadienoic acid
  • Emersol 310
  • Emersol 315
  • Extra Linoleic 90
  • Fatty Acid 18:2 n-6
  • FEMA NO. 3380, LINOLEIC ACID-
  • HSDB 5200
  • Leinoleic acid
  • Linolate
  • Linoleic
  • Linoleic acid
  • Linoleic Acid, (E,E)-
  • Linoleic acid, 95%
  • Linoleic acid, pure
  • linoleic-acid
  • Linolic acid
  • Octadeca-9,12-dienoic acid
  • Ronacare asc 3
  • Telfairic acid
  • trans-9,trans-12-Octadecadienoic acid
  • Unifac 6550
  • VESPULA PENSYLVANICA B708568K063

Systematic names

  • (9Z,12Z)-octadeca-9,12-dienoic acid

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • ecfr retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/linoleic-acid.json