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77367 Sigma-Aldrich

(−)-Ethyl L-lactate

photoresist grade, ≥99.0%

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

  •  PubChem Substance ID 329767631

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, E-H, Puriss p.a., Puriss p.a. More...
grade   photoresist grade
vapor density   4.1 (vs air)
vapor pressure   2 mmHg ( 20 °C)
  5 mmHg ( 30 °C)
InChI Key   LZCLXQDLBQLTDK-BYPYZUCNSA-N
assay   ≥99.0% (Sum of enantiomers, GC)
  ≥99.0%
optical activity   [α]20/D −10.5±1°, neat
autoignition temp.   752 °F
expl. lim.   1.5 %, 100 °F
impurities   ≤0.1% water
evapn. residue   <0.01%
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.)
cation traces   Ca: ≤0.01 mg/kg
  Cr: ≤0.01 mg/kg
  Cu: ≤0.01 mg/kg
  Fe: ≤0.01 mg/kg
  K: ≤0.01 mg/kg
  Mg: ≤0.01 mg/kg
  Mn: ≤0.01 mg/kg
  Na: ≤0.03 mg/kg
  Ni: ≤0.01 mg/kg
  Pb: ≤0.01 mg/kg

Description

Application

biodegradable solvent replacement for optical and microelectronical purposes

Other Notes

Same product — same quality — now Sigma-Aldrich brand

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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