Triethyl citrate

E number E1505INS 1505CAS 77-93-0

Used as an emulsifier — Codex also lists it as carrier, sequestrant, stabilizer.

Triethyl citrate is a flavour solvent and a whipping aid for egg white, helping dried egg white foam as well as fresh.

Where it is and isn’t permitted

Status of Triethyl 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 184.1911retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFAPermitted, with conditions

3 food categories

highest permitted level 2,500 mg/kg

Show every food category
  • 10.2.1 Liquid egg products — 2,500 mg/kg
  • 10.2.3 Dried and/or heat coagulated egg products — 2,500 mg/kg
  • 14.1.4 Water-based flavoured drinks, including "sport," “energy,” or "electrolyte" drinks and particulated drinks — 200 mg/kg
CXS 192-1995 Table One, INS 1505and 2 further provisionsretrieved 2026-09-07

What it is made from

Made by reacting citric acid with ethanol.

  • Vegan
  • Vegetarian
CAS registry number
77-93-0
InChIKey
DOOTYTYQINUNNV-UHFFFAOYSA-N
PubChem
CID 6506

Every name it appears under

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

E number

  • E1505

INS number

  • 1505

CAS registry number

  • 77-93-0

As it appears in regulation

  • Triethyl citrate

Other names

  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-triethyl ester
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, triethyl ester
  • 1,2,3-triethyl 2-hydroxypropane-1,2,3-tricarboxylate
  • 1,3-Propanetricarboxylic acid, 2-hydroxy-, triethyl ester
  • 2,3-Propanetricarboxylicacid,2-hydroxy-triethylester
  • 2-Hydroxy-1,2,3-propanetricarboxylic acid, delta triethyl ester
  • 2-Hydroxy-1,2,3-propanetricarboxylic acid, triethyl ester
  • 2-hydroxy-propane-1,2,3-tricarboxylic acidtriethyl ester
  • 8Z96QXD6UM
  • BRN 1801199
  • CAS-77-93-0
  • Citric acid ethyl ester
  • citric acid, triethyl ester
  • Citroflex 2
  • Citroflex c 2
  • Citroflex ec
  • Citroflex sc 60
  • Citrofol ai
  • Crodamol TC
  • E 1505
  • Ethyl citrate
  • Eudraflex
  • FCM no 140
  • FEMA 3083
  • FEMA No. 3083
  • HSDB 729
  • Hydagen C.A.T
  • Hydragen CAT
  • INS NO.1505
  • Morflex c 2
  • Morflex tec
  • TEC
  • Triaethylcitrat
  • Triethyl 2-hydroxy-1,2,3-propanetricarboxylate
  • Triethyl 2-hydroxy-1,2,3-propanetricarboxylate #
  • triethyl 2-hydroxypropane-1,2,3-tricarboxylate
  • Triethyl citrate
  • Triethyl citrate (NF)
  • Triethyl citrate (Standard)
  • Triethyl citrate Solution in Acetone, 1000?g/mL
  • Triethyl citrate Solution in Acetone, 1000ug/mL
  • Triethyl citrate Solution in Acetone, 100ug/mL
  • Triethyl citrate(TEC)
  • Triethyl citrate, >=98.0% (GC)
  • Triethyl citrate, >=99%, FCC, FG
  • Triethyl citrate, analytical standard
  • Triethyl Citrate, FCC
  • Triethyl citrate, natural, >=97%, FG
  • Triethyl citrate, natural, >=99%, FG
  • Triethyl citrate, Pharmaceutical Secondary Standard; Certified Reference Material
  • Triethyl citrate, United States Pharmacopeia (USP) Reference Standard
  • Triethyl citrate, Vetec(TM) reagent grade, 98%
  • Triethyl citrate; Triethyl 2-hydroxypropane-1,2,3-tricarboxylate
  • triethyl2-hydroxypropane-1,2,3-tricarboxylate
  • Triethylcitrate
  • Triethylester kyseliny citronove
  • Uniflex TEC
  • Uniplex 80
  • WLN: 2OV1XQVO2&1VO2

Systematic names

  • triethyl 2-hydroxypropane-1,2,3-tricarboxylate

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
  • gsfa 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/triethyl-citrate.json