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Triethyl Citrate CAS 77-93-0 TEC

Triethyl citrate is an oily colorless liquid at room temperature and pressure, with a solubility in water (25°C) of 6.5g/100cm3. it has a sweet and pleasant fruit wine, plum-like aroma. The compound is soluble in most organic solvents, but insoluble in oil, the compound has good compatibility with most cellulose, polyvinyl chloride, polyvinyl acetate resin and chlorinated rubber.
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  • 77-93-0

  • boss chem

  • 77-93-0

Triethyl citrate TEC

CAS No.77-93-0



Alias: 1,2,3-Propanetricarboxylicacid,2-hydroxy-,triethylester;1,2,3-Propanetricarboxylicacid,2-hydroxy-,triethylester;2,3-propanetricarboxylicacid,2-hydroxy-trChemicalbookiethylester;2-Hydroxy-1,2,3-propanetricarboxylicacid,triethylester;2-hydroxy-propane-1,2,3-tricarboxylicacidtriethylester;Citroflex2;citroflex2;CrodamolTC

Molecular formula: C12H20O7

Relative molecular mass: 276.28

Structural formula:

77-93-0


1. Performance and use:

Triethyl citrate is the triester of citric acid and ethyl alcohol.
Triethyl citrate is used as a flavoring agent in foods, as a high boiling solvent and plasticizer for vinyl resins and cellulose acetates, as a plasticizer in the pharmaceutical industry for coating. 

Triethyl citrate is used as a natural active ingredient and flavor component with excellent deodorizing and skin care properties in cosmetic and personal care products. 

Triethyl citrate is also used as a plasticizer and humectant for cigarette filters. 

Furthermore, triethyl citrate is used s a food additive for stabilizing foams, specifically as a whipping enhancer for organic egg whites during processing.    

Triethyl Citrate, is a colorless, odorless liquid used as a food additive to stabilize foams, especially as whipping aid for egg white. It is also used in pharmaceutical coatings and plastics. This compound is a contaminant of emerging concern (CECs).

Triethyl Citrate is a sequestrant that is an oily liquid, slightly solu- ble in water. it is found in lemon drinks.    

Triethyl citrate is used Pharmaceutic aid (plasticizer).


2. Technical indicators

Triethyl citrate Basic information
Product Name: Triethyl citrate
CAS: 77-93-0
MF: C12H20O7
MW: 276.28
EINECS: 201-070-7
Mol File: 77-93-0.mol
Triethyl citrate Chemical Properties
Melting point -46 °C
Boiling point 294 °C
density 1.137 g/mL at 25 °C(lit.)
vapor density 9.7 (vs air)
vapor pressure 1 mm Hg ( 107 °C)
FEMA 3083 | TRIETHYL CITRATE
refractive index n20/D 1.442(lit.)
Fp >230 °F
storage temp. -20°C
solubility H2O: soluble
pka 11.57±0.29(Predicted)
form Liquid
color Clear
Odor odorless
Water Solubility 5.7 g/100 mL (25 ºC)
FreezingPoint -55℃
JECFA Number 629
Merck 142,326
BRN 1801199

Item Specifications
Appearance Colourless transparent liquid
Content(GC) % 99.0%Min
Moisture% 0.1%Max
Acid value mgKOH/g 0.1%Max
Specific gravity 1.135~1.139
Refractive index 1.439~1.442
Chroma(Pt-Co) 30Max
As ppm 2Max
Pb 2Max


3. Packaging and storage

Triethyl citrate should be stored in a closed container in a cool, dry location. When stored in accordance with these conditions, triethyl citrate is a stable product.


4. Safety protection

Triethyl citrate is used in oral pharmaceutical formulations and as a direct food additive. It is generally regarded as a nontoxic and nonirritant material. However, ingestion of large quantities may be harmful.
LD50 (mouse, IP): 1.75 g/kg
LD50 (rat, IP): 4 g/kg
LD50 (rat, oral): 5.9 g/kg

LD50 (rat, SC): 6.6 g/kg


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