A3949212
(-)-Ethyl L-lactate , 99% , 687-47-8
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
| Pack Size | Price | Stock | Quantity |
| 100G | RMB38.40 | In Stock |
|
| 500G | RMB99.20 | In Stock |
|
| 2.5KG | RMB373.60 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | −26 °C(lit.) |
| alpha | -10 º (neat) |
| Boiling point: | 154 °C(lit.) |
| 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) |
| form | Liquid |
| pka | 13.21±0.20(Predicted) |
| color | Clear colorless to pale yellow |
| PH | 4 (50g/l, H2O, 20℃) |
| Odor | fruit-like odor |
| optical activity | [α]20/D 10.5±1°, neat |
| explosive limit | 1.5-16.4%(V) |
| Water Solubility | SOLUBLE |
| Merck | 14,3817 |
| BRN | 1720839 |
| LogP | 0.31 at 20℃ |
| 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) |
Description and Uses
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.
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226-H318-H335 |
| Precautionary statements | P210-P233-P240-P241-P280-P305+P351+P338 |
| Hazard Codes | Xi,F |
| Risk Statements | 10-37-41 |
| Safety Statements | 24-26-39 |
| RIDADR | UN 1192 3/PG 3 |
| WGK Germany | 1 |
| RTECS | OD5075000 |
| Autoignition Temperature | 752 °F |
| Hazard Note | Irritant/Flammable |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29181100 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
