Triethyl citrate
From Sciencemadness Wiki
| Names | |
|---|---|
| IUPAC name
1,2,3-Triethyl 2-hydroxypropane-1,2,3-tricarboxylate
| |
| Other names
Citroflex
Citric acid ethyl ester E1505 Ethyl citrate Eudraflex Hydragen CAT | |
| Properties | |
| C12H20O7 | |
| Molar mass | 276.283 g/mol |
| Appearance | Colorless oily liquid |
| Odor | Fruity |
| Density | 1.1369 g/cm3 (20 °C) |
| Melting point | −55 °C (−67 °F; 218 K) |
| Boiling point | 294 °C (561 °F; 567 K) (760 mmHg) 235 °C (455 °F; 508 K) (150 mmHg) |
| 6.5 g/100 ml | |
| Solubility | Miscible with diethyl ether, ethanol, methanol Slightly soluble in CCl4, peanut oil |
| Vapor pressure | 6.87·10-4 mmHg (25 °C) |
| Hazards | |
| Safety data sheet | Sigma-Aldrich |
| Flash point | 151-155 °C |
| Related compounds | |
| Related compounds
|
Citric acid |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Triethyl citrate is an ester of citric acid and ethanol.
Contents
Properties
Chemical
Triethyl citrate is hydrolyzed in basic conditions to give ethanol and citrate salts.
Physical
Triethyl citrate is an oily liquid, poorly soluble in water, but miscible with alcohols.
Availability
Triethyl citrate is sold by various chemical suppliers.
Preparation
Triethyl citrate can be prepared via esterification of citric acid and ethanol. Reactive distillation can be employed.[1] Amberlite resins or zeolite can be used as catalyst.[2]
Projects
- Food additive
- Plasticizer for polyvinyl chloride (PVC)
- Pleasant aroma collecting
Handling
Safety
Triethyl citrate has low toxicity and it's used in food industry as additive.
Storage
Triethyl citrate should be stored in closed bottles, away from acids.
Disposal
Triethyl citrate has low toxicity and doesn't require special disposal. Since it's flammable, it can be safely burned outside.
References
- ↑ Ind. Eng. Chem. Res., 2008, 47 (4), p 1017–1025
- ↑ Clean Soil Air Water, Vol. 43, Issue 6, June 2015, p. 927–931
