Merck
All Photos(1)

8.22100

Sigma-Aldrich

(S)-(-)-Ethyl lactate

for synthesis

Synonym(s):
L(-)-Lactic acid ethyl ester, (S)-(-)-2-Hydroxypropionic acid ethyl ester, (S)-(-)-Ethyl lactate
Linear Formula:
CH3CH(OH)COOC2H5
CAS Number:
Molecular Weight:
118.13
MDL number:
EC Index Number:
211-694-1

Quality Level

vapor pressure

1.6 hPa ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

400 °C

potency

>2000 mg/kg LD50, oral (Rat)

expl. lim.

1.5-16.4 % (v/v)

pH

4 (20 °C, 50 g/L in H2O)

kinematic viscosity

2.7 cSt(25 °C)

bp

154 °C/1013 hPa

mp

-25 °C

transition temp

flash point 53 °C

density

1.03 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3/t4-/m0/s1

InChI key

LZCLXQDLBQLTDK-BYPYZUCNSA-N

Related Categories

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.032 - 1.034
Spec. rotation [α²0/D (undiluted): -11.0 - -9.5 °
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

128.8 °F - closed cup

Flash Point(C)

53.8 °C - closed cup

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