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687-47-8

Name Ethyl L(-)-lactate
CAS 687-47-8
EINECS(EC#) 211-694-1
Molecular Formula C5H10O3
MDL Number MFCD00004518
Molecular Weight 118.13
MOL File 687-47-8.mol
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Chemical Properties

Appearance clear liquid
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)
FEMA  2440
refractive index  n20/D 1.4130(lit.)
Fp  120 °F
storage temp.  2-8°C
solubility  Chloroform (Soluble), Ethyl Acetate (Slightly), Methanol (Slightly)
form  Liquid
pka 13.21±0.20(Predicted)
color  Clear colorless to pale yellow
Odor fruit-like odor
PH 4 (50g/l, H2O, 20℃)
explosive limit 1.5-16.4%(V)
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)
NIST Chemistry Reference Propanoic acid, 2-hydroxy-, ethyl ester, (S)-(687-47-8)
EPA Substance Registry System 687-47-8(EPA Substance)
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Safety Data

Hazard Codes  Xi,F
Risk Statements 
R10:Flammable.
R37:Irritating to the respiratory system.
R41:Risk of serious damage to eyes.
Safety Statements 
S24:Avoid contact with skin .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
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

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