(−)-Ethyl L-lactate
SIAL/77367 - ≥99.0%
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
12 Principles of Green Chemistry: Principle 5—Safer Solvents and Auxiliaries. This product utilizes reduced volumes of auxiliary substances that are less hazardous.
| assay | ≥99.0% |
| ≥99.0% (Sum of enantiomers, GC) | |
| autoignition temp. | 752 °F |
| bp | 154 °C (lit.) |
| cation traces | Ca: ≤0.01 mg/kg |
| Cr: ≤0.01 mg/kg | |
| Cu: ≤0.01 mg/kg | |
| Fe: ≤0.01 mg/kg | |
| K: ≤0.01 mg/kg | |
| Mg: ≤0.01 mg/kg | |
| Mn: ≤0.01 mg/kg | |
| Na: ≤0.03 mg/kg | |
| Ni: ≤0.01 mg/kg | |
| Pb: ≤0.01 mg/kg | |
| density | 1.034 g/mL at 20 °C (lit.) |
| evapn. residue | <0.01% |
| 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 . |
| impurities | ≤0.1% water |
| InChI | 1S/C5H10O3/c1-3-8-5(7)4(2 |
| InChI key | LZCLXQDLBQLTDK-BYPYZUCNSA |
| mp | −26 °C (lit.) |
| optical activity | [α]20/D −10.5±1°, neat |
| Quality Level | 100 |
| refractive index | n |
| 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: | biodegradable solvent replacement for optical and microelectronical purposes |
| 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. |
| 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 | ≥99.0% (Sum of enantiomers, GC); ≥99.0% |
| bp | 154 °C (lit.) |
| mp | −26 °C (lit.) |
| Density | 1.034 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352300 |