Ethyl L(-)-lactate
Synonym(s):(−)-Ethyl (S)-2-hydroxypropionate;(S)-(−)-2-Hydroxypropionic acid ethyl ester;(S)-(-)-Ethyl lactate;L -Lactic acid ethyl ester;L(-)-Lactic acid ethyl ester, (S)-(-)-2-Hydroxypropionic acid ethyl ester
- CAS NO.：687-47-8
- Empirical Formula: C5H10O3
- Molecular Weight: 118.13
- MDL number: MFCD00004518
- EINECS: 211-694-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-24 19:19:26
What is Ethyl L(-)-lactate?
Chemical properties
clear liquid
The Uses of Ethyl L(-)-lactate
(-)-Ethyl L-Lactate is a naturally occuring chemical compound that is often used as an industrial solvent in chemical reactions.
The Uses of Ethyl L(-)-lactate
Ethyl L-lactate is used in the preparation of food additives, aryl aldimines, fragrances and in pharmaceutical preparations. It can be considered as a green solvent in chemical industries due to its biodegradable nature. As a solvent, it used in the production of nitrocellulose, cellulose acetate and cellulose ethers.
Definition
ChEBI: The (2S)-enantiomer of ethyl lactate.
General Description
Ethyl?lactate is an economically viable?green solvent used in organic synthesis. It is generally employed in organic reactions like multi-component reactions, cycloaddition reaction, asymmetric induction, photochemical synthesis, and ligand-free coupling reactions, etc.
Flammability and Explosibility
Non flammable
Properties of Ethyl L(-)-lactate
| Melting point: | −26 °C(lit.) |
| Boiling point: | 154 °C(lit.) |
| alpha | -10 º (neat) |
| Density | 1.034 g/mL at 20 °C(lit.) |
| vapor density | 4.1 (vs air) |
| vapor pressure | 2 mm Hg ( 20 °C) |
| refractive index | n |
| FEMA | 2440 | ETHYL LACTATE |
| Flash point: | 54.6±6.4 °C |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Soluble), Ethyl Acetate (Slightly), Methanol (Slightly) |
| pka | 13.21±0.20(Predicted) |
| form | Liquid |
| color | Clear colorless to pale yellow |
| PH | 4 (50g/l, H2O, 20℃) |
| Odor | fruit-like odor |
| explosive limit | 1.5-16.4%(V) |
| optical activity | [α]20/D 10.5±1°, neat |
| Water Solubility | SOLUBLE |
| Merck | 14,3817 |
| BRN | 1720839 |
| CAS DataBase Reference | 687-47-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Propanoic acid, 2-hydroxy-, ethyl ester, (S)-(687-47-8) |
| EPA Substance Registry System | Propanoic acid, 2-hydroxy-, ethyl ester, (2S)- (687-47-8) |
Safety information for Ethyl L(-)-lactate
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ethyl L(-)-lactate
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