Glyceryl monooleate

CAS 25496-72-4

Glyceryl monooleate is an emulsifier and a defoamer, used in fats, confectionery and processing.

Where it is and isn’t permitted

Status of Glyceryl monooleate 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 184.1323retrieved 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

Made by reacting oleic acid with glycerol. Both may be plant or animal in origin.

  • Vegan status depends on the source
  • Vegetarian status depends on the source
  • May raise a halal question
  • May raise a kosher question

This is not an omission. What this additive is made from is not fixed — depending on the manufacturer it may be plant, animal or microbial in origin, nobody is required to say which, and the same product can change source between production runs. Ask the manufacturer if it matters to you; a label cannot answer it.

CAS registry number
25496-72-4
InChIKey
RZRNAYUHWVFMIP-KTKRTIGZSA-N
PubChem
CID 5283468

Every name it appears under

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

CAS registry number

  • 25496-72-4

As it appears in regulation

  • Glyceryl monooleate

Other names

  • 1-Mono(cis-9-octacenoyl)glycerol
  • 2,3-dihydroxypropyl (Z)-octadec-9-enoate
  • Adchem GMO
  • AJAX GMO
  • Aldo 40
  • Alkamuls GMO 45LG
  • alpha-Monoolein
  • Arlacel 129
  • Atmer 1007
  • Canamex Glicepol 182
  • Dimodan GMO 90
  • Dimodan LSQK
  • Edenor GMO
  • Emalsy MO
  • Emalsy OL
  • Emasol MO 50
  • Emcol O
  • Emerest 2400
  • Emerest 2421
  • Emery oleic acid ester 2221
  • Emrite 6009
  • Excel O 95F
  • Excel O 95N
  • Excel O 95R
  • FEMA No. 2526
  • Glycerin monooleate
  • Glycerine monooleate
  • GLYCEROL MONOOLEATE
  • Glycerol oleate
  • Glycerol, 1-mono (9-octa-decenoate)
  • glyceryl mono-oleate
  • Glyceryl monooleate
  • Glyceryl monooleate 40
  • Glyceryl monooleate 40%
  • Glyceryl monooleate 60
  • Glycolube 100
  • GMO 8903
  • Kemester 2000
  • Kessco GMO
  • Loxiol G 10
  • Mazol GMO
  • mono-olein
  • Monoglyceryl oleate
  • monolein
  • Monomuls 90018
  • Monoolein
  • Nikkol MGO
  • Oleic acid glycerol monoester
  • Oleic acid monoglyceride
  • Oleic monoglyceride
  • Olein, mono-
  • Oleoylglycerol
  • Oleylmonoglyceride
  • Olicine
  • Rikemal O 71D
  • Rikemal ol 100
  • Sinnoester ogc
  • Sunsoft O 30B
  • Supeol

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/glyceryl-monooleate.json