Ethyl lactate
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| Ethyl lactate | |
|---|---|
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| IUPAC name | Ethyl 2-hydroxypropanoate |
| Other names | Ethyl lactate Lactic acid ethyl ester 2-Hydroxypropanoic acid ethyl ester Actylol Acytol |
| Identifiers | |
| CAS number | [97-64-3] [687-47-8] (L-form) |
| RTECS number | OD5075000 |
| SMILES | O=C(OCC)C(O)C |
| Properties | |
| Molecular formula | C5H10O3 |
| Molar mass | 118.13 g/mol |
| Appearance | Clear to slightly yellow liquid |
| Density | 1.03 g/cm3, liquid |
| Melting point |
−26 °C |
| Boiling point |
151-155 °C |
| Solubility in water | Miscible |
| Solubility in ethanol, and most alcohols |
Miscible |
| Hazards | |
| Main hazards | Irritant (Xi) |
| NFPA 704 |
 1
1
0
|
| R-phrases | R10, R37, R41 |
| S-phrases | (S2), S24, S26, S39 |
| Flash point | 46 °C |
| Related compounds | |
| Related compounds | Lactic acid |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Ethyl lactate, also known as lactic acid ethyl ester, is a monobasic ester formed from lactic acid and ethanol, commonly used as a solvent. This compound is considered biodegradable and can be used as a water-rinsable degreaser. Ethyl lactate is found naturally in small quantities in a wide variety of foods including wine, chicken, and various fruits. The odor of ethyl lactate is mild, buttery, creamy, with hints of fruit and coconut.
Due to its relatively low toxicity, ethyl lactate is used commonly in pharmaceutical preparations, food additives, and fragrances. Also used as solvent for nitrocellulose, cellulose acetate, and cellulose ethers.
Ethyl lactate hydrolyzes in the presence of water and acids or bases into lactic acid and ethanol.
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