(−)-Ethyl L-lactate
ALDRICH/E34102 - 98%
Synonym: (−)-Ethyl (S)-2-hydroxypropionate; (S)-(−)-2-Hydroxypropionic acid ethyl ester; L-Lactic acid ethyl ester
CAS Number: 687-47-8
Empirical Formula (Hill Notation): C5H10O3
Molecular Weight: 118.13
EC Number: 211-694-1
MDL Number: MFCD00004518
Linear Formula: C5H10O3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: E34102-100G.
FT-IR Spectra for (S)-(−)-2-Hydroxypropionic acid ethyl ester.
FT-NMR Spectra for (S)-(−)-2-Hydroxypropionic acid ethyl ester.
12 Principles of Green Chemistry: Principle 5—Safer Solvents and Auxiliaries. This product utilizes reduced volumes of auxiliary substances that are less hazardous.
| assay | 98% |
| autoignition temp. | 752 °F |
| bp | 154 °C (lit.) |
| density | 1.034 g/mL at 20 °C (lit.) |
| 1.042 g/mL at 25 °C | |
| expl. lim. | 1.5 %, 100 °F |
| form | liquid |
| greener alternative category | Aligned  |
| greener alternative product characteristics | Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C5H10O3/c1-3-8-5(7)4(2 |
| InChI key | LZCLXQDLBQLTDK-BYPYZUCNSA |
| mp | −26 °C (lit.) |
| optical activity | [α]14/D −10°, neat |
| pH | 4 (20 °C, 50 g/L) |
| Quality Level | 200 |
| refractive index | n |
| SMILES string | C[C@H](O)C(OCC)=O |
| sustainability | Greener Alternative Product |
| vapor density | 4.1 (vs air) |
| vapor pressure | 2 mmHg ( 20 °C) |
| 5 mmHg ( 30 °C) |
| Application: | (−)-Ethyl • (R)-(+)-2-methyloxirane. • (S)-2-((tert-Butyldimethylsilyl)oxy)propanal, a key intermediate for the synthesis of maltepolides. |
| Features and Benefits: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is a safer and more sustainable alternative to ethyl acetate and acetone. It is an ester of natural L-lactic acid, which is produced by fermentation of sugar and thus aligns with "Safer Solvents and Auxiliaries" and "Use of Renewable Feedstocks". Click here  for more information. |
| 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. |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol |    GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H318 - H335 |
| Precautionary statements | P210 - P280 - P305 + P351 + P338 + P310 |
| Hazard Codes | Xi |
| Risk Statements | 10-37-41 |
| Safety Statements | 24-26-39 |
| RIDADR | UN1192 - class 3 - PG 3 - Ethyl lactate |
| WGK Germany | WGK 1 |
| Flash Point(F) | 128.8 °F - closed cup |
| Flash Point(C) | 53.8 °C - closed cup |
| Purity | 98% |
| bp | 154 °C (lit.) |
| mp | −26 °C (lit.) |
| Density | 1.034 g/mL at 20 °C (lit.); 1.042 g/mL at 25 °C |
| Refractive Index | n |
| UNSPSC | 12352108 |