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69799 Sigma-Aldrich

(−)-Ethyl L-lactate

purum, ≥98.0% (sum of enantiomers, GC)

Synonym: (−)-Ethyl (S)-2-hydroxypropionate, (S)-(−)-2-Hydroxypropionic acid ethyl ester, L-Lactic acid ethyl ester

  • CAS Number 687-47-8

  • Empirical Formula (Hill Notation) C5H10O3

  • Molecular Weight 118.13

  •  Beilstein Registry Number 1720839

  •  EC Number 211-694-1

  •  MDL number MFCD00004518

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Properties

Related Categories Asymmetric Synthesis, Chemical Synthesis, Chiral Building Blocks, Esters, Organic Building Blocks More...
vapor density   4.1 (vs air)
vapor pressure   2 mmHg ( 20 °C)
  5 mmHg ( 30 °C)
InChI Key   LZCLXQDLBQLTDK-BYPYZUCNSA-N
grade   purum
assay   ≥98.0% (sum of enantiomers, GC)
optical purity   enantiomeric excess: ≥97.5:2.5
autoignition temp.   752 °F
expl. lim.   1.5 %, 100 °F
refractive index   n20/D 1.4130(lit.)
  n20/D 1.413
bp   154 °C(lit.)
mp   −26 °C(lit.)
density   1.034 g/mL at 20 °C(lit.)

Description

Other Notes

Important starting material for the synthesis of many chiral building blocks, e.g. (S)-1,2-propanediol and (S)-propylene oxide; O-Protection and reduction to the aldehyde

Same product — same quality — now Sigma-Aldrich brand

Packaging

1 L in glass bottle

250 mL in glass bottle

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1192 - class 3 - PG 3 - Ethyl lactate
WGK Germany 
1
Flash Point(F) 
114.8 °F
Flash Point(C) 
46 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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