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Ethyl L(-)-lactate Structure

Ethyl L(-)-lactate

Chemical 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  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
Odor fruit-like odor
PH 4 (50g/l, H2O, 20℃)
explosive limit 1.5-16.4%(V)
Viscosity 3.6mm2/s
optical activity [α]20/D 10.5±1°, neat
Water Solubility  SOLUBLE
Merck  14,3817
BRN  1720839
LogP 0.31 at 20℃
CAS DataBase Reference 687-47-8(CAS DataBase Reference)
FDA UNII GA1IKU79WZ
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)
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Safety

Symbol(GHS)
Signal wordDanger
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
NFPA 704:
2
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