1.03649 Supelco

Ethyl acetate

hypergrade for LC-MS LiChrosolv®

Synonym: EtOAc, Ethyl ethanoate, Acetic ester, Ethyl ester

  • CAS Number 141-78-6

  • Linear Formula CH3COOC2H5

  • Molecular Weight 88.11

  •  Beilstein/REAXYS Number 506104

  •  MDL number MFCD00009171

  •  EC Index Number 205-500-4



Related Categories HPLC Solvents, Hypergrade Solvents for LC-MS, Solvent by Application, Solvents
Quality Level   100
vapor density   3 (20 °C, vs air)
vapor pressure   73 mmHg ( 20 °C)
assay   ≥99.8% (GC)
form   liquid
autoignition temp.   801 °F
expl. lim.   2.2-11.5 %, 38 °F
application(s)   LC/MS: suitable
refractive index   n20/D 1.3720 (lit.)
bp   76.5-77.5 °C (lit.)
mp   −84 °C (lit.)
transition temp   flash point -4 °C
density   0.902 g/mL at 25 °C (lit.)
SMILES string   CCOC(C)=O
InChI   1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
storage conditions   Store at +5°C to +30°C.


Analysis Note

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.05 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 50 ppb
Transmission (at 260 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (from 270 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.

Legal Information

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

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Keywords: High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Phase transitions, Solvents

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