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Cas Database |
| Name |
Methyl (S)-(-)-lactate |
EINECS | 248-704-9 |
| CAS No. | 27871-49-4 | Density | 1.085 g/cm3 |
| PSA | 46.53000 | LogP | -0.45980 |
| Solubility | miscible with water and hydrolysis in water | Melting Point |
- 66 °C |
| Formula | C4H8O3 | Boiling Point | 145.3 °C at 760 mmHg |
| Molecular Weight | 104.106 | Flash Point | 47.1 °C |
| Transport Information | UN 3272 3/PG 3 | Appearance | clear liquid |
| Safety | 24 | Risk Codes | 10-36/37 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Lacticacid, methyl ester, L- (8CI);Propanoic acid, 2-hydroxy-, methyl ester, (S)-;(-)-Lactic acid methyl ester;(-)-Methyl 2-hydroxypropionate;(2S)-2-Hydroxypropanoicacid methyl ester;(S)-(-)-Lactic acid methyl ester;(S)-Methyl lactate;Methyl (2S)-2-hydroxypropanoate;Methyl L-lactate; |
Article Data | 91 |
Methyl (S)-(-)-lactate Synthetic route
- 547-64-8
methyl lactate
- 117-34-0
2,2-diphenylacetic acid
A
- 27871-49-4
(S)-Methyl lactate
B
- 17392-83-5
(R)-Methyl lactate
C
- 1208982-48-2
methyl (R)-2-(diphenylacetyloxy)propanoate
| Conditions | Yield |
|---|---|
| With (R)-(+)-2-phenyl-2,3-dihydrobenzo[d]imidazo[2,1-b]thiazole; 2,2-dimethylpropanoic anhydride; N-ethyl-N,N-diisopropylamine In diethyl ether at 20℃; for 12h; Inert atmosphere; Resolution of racemate; optical yield given as %ee; enantioselective reaction; | A n/a B n/a C 47% |
| With 2,2-dimethylpropanoic anhydride; N-ethyl-N,N-diisopropylamine; (R)-(+)-2-phenyl-2,3-dihydrobenzo[d]imidazo[2,1-b]thiazole In diethyl ether at 20℃; for 12h; | A n/a B n/a C 47% |
| Conditions | Yield |
|---|---|
| With 2; hydrogen In methanol at 25℃; under 25857.4 Torr; for 4h; other keto esters; var. polystyrene-supported platinum and ruthenium catalysts; enantioselective hydrogenation; | |
| With hydrogen; platinum on silica; Cinchonidin In dichloromethane at 24.9℃; under 7500.6 Torr; Product distribution; enantioselectivity, rate enhancement, var. of alkaloid, solvent, further with butane-2,3-dione; | |
| With hydrogen; cinchonidine modified platinum at 19.9℃; under 7500.6 Torr; Rate constant; Product distribution; further alkaloid-modified platinum; |
- 600-22-6
pyruvic acid methyl ester
- 27871-49-4
(S)-Methyl lactate
| Conditions | Yield |
|---|---|
| With hydrogen; Cinchonin In acetic acid at 25℃; under 7500.75 Torr; for 12h; enantioselective reaction; | 99.8% |
Methyl (S)-(-)-lactate Chemical Properties
IUPAC Name:methyl (2S)-2-hydroxypropanoate
Molecular Formula:C4H8O3
Molecular Weight:104.104520 g/mol
Appearance:Colorless liquid
Melting Point:-66°C
Boiling Point:145 °C(lit.)
Flash Point:121 °F
alpha:-8.5 °(neat)
density:1.092 g/mL at 20 °C(lit.)
refractive index:n20/D 1.414
storage temp.:Flammables area
Water Solubility:miscible, hydrolyses
Sensitive:Moisture
BRN:1720587
Synonyms of METHYL S-(-)-LACTATE(27871-49-4):
PURASOLV(R) ML;S-(-)-LACTIC ACID METHYL ESTER;(S)-(-)-METHYL LACTATE;S(-)-2-HYDROXY-PROPIONATE METHYL;Propanoicacid,2-hydroxy-,methylester,(S)-;L-(-)-LACTIC ACID METHYL ESTER;L(+) LACTIC ACID, METHYL ESTER;L-LACTIC ACID METHYL ESTER
Categories of METHYL S-(-)-LACTATE(27871-49-4):
Chiral Building Blocks;Esters (Chiral);Synthetic Organic Chemistry;Chiral Building Blocks;Esters;Organic Building Blocks
Methyl (S)-(-)-lactate Safety Profile
Hazard Codes:Xi
Risk Statements:10-36/37
10:Flammable
36/37:Irritating to eyes and respiratory system
Safety Statements:24
24:Avoid contact with skin
RIDADR:UN 3272 3/PG 3
WGK Germany:1
F:21
HazardClass:3
PackingGroup:III
HS Code:29181100
Methyl (S)-(-)-lactate Specification
First Aid Measures of METHYL S-(-)-LACTATE(27871-49-4):
Ingestion:If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin:Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes:Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Storage of METHYL S-(-)-LACTATE(27871-49-4):
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. Store protected from moisture.
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