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: 2024-11-22 13:59:06

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	n20/D 1.4130(lit.)
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.