Substance
ID:714560
Names and Identifiers
IUPAC name
ethyl (2S)-2-hydroxypropanoate
IUPAC Traditional name
ethyl lactate
Synonyms
L-Lactic acid ethyl esterEthyl L-lactateL-乳酸乙酯
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
Merck Index
Properties
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
European Hazard Symbols
Irritant (Xi)Packing Group
III
GHS Hazard statements
H318-H226-H335
TSCA Listed
是
UN Number
UN1192
Safety Statements
24-26-39
Risk Statements
10-37-41
Hazard Class
3
GHS Precautionary statements
P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A
RTECS
OD5070000
Product Information
Purity
99%
Physical Property
Melting Point
-25°C
Density
1.036
Refractive Index
1.4130
Boiling Point
152-155°C
Optical Rotation
-11 (neat)
Flash Point
46°C(114°F)
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Ethyl (or isobutyl) L-lactate adds to aryl methyl ketenes to give esters of 2-arylpropionic acids in which the chirality is transferred to the new chiral center to a surprising degree: J. Am. Chem. Soc., 111, 7650 (1989):
• For reaction with Diphenylphosphonic azide, A12124, in the prepartaion, with inversion, of ethyl (R)-2-azidopropionate, see: Org. Synth., 75, 31 (1997).
• Silylation followed by reaction with MeLi gives a useful chiral synthon. For preparation and discussion of reactivity, see: Org. Synth. Coll., 9, 139 (1998):
