Isopropyl citrate

Isopropyl citrate is a sequestrant used in oils and margarine, tying up trace metals that would otherwise speed up rancidity.

Where it is and isn’t permitted

Status of Isopropyl citrate 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 184.1386retrieved 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 citric acid with isopropyl alcohol.

  • Vegan
  • Vegetarian
InChIKey
XBLJCYOUYPSETL-UHFFFAOYSA-N
PubChem
CID 61986

Every name it appears under

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

CAS registry number

  • 39413-05-3

As it appears in regulation

  • Isopropyl citrate

Other names

  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1-methylethyl ester
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mono(2-methylpropyl) ester
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mono(2-methylpropyl) ester (9CI)
  • 1-Methylethyl 2-hydroxy-1,2,3-propanetricarboxylate
  • 2-hydroxy-2-(2-oxopropyl)butanedioic acid;propan-2-ol
  • CCRIS 3655
  • Citric acid, isopropyl ester
  • Isopropyl citrate
  • XBLJCYOUYPSETL-UHFFFAOYSA-N

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/isopropyl-citrate.json