1.09623 Supelco

Ethyl acetate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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



Quality Level   300
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
vapor density   3 (20 °C, vs air)
vapor pressure   73 mmHg ( 20 °C)
assay   ≥99.5% (GC)
form   liquid
autoignition temp.   801 °F
potency   5620 mg/kg LD50, oral (Rat)
  >18000 mg/kg LD50, skin (Rabbit)
expl. lim.   2.2-11.5 %, 38 °F
refractive index   n20/D 1.3720 (lit.)
bp   76.5-77.5 °C (lit.)
mp   −84 °C (lit.)
transition temp   flash point -4 °C
solubility   85.3 g/L
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 +2°C to +25°C.


General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Titrable acid: ≤ 0.0008 meq/g
Density (d 20 °C/20 °C): 0.901 - 0.904
Boiling point: 76 - 78 °C
Readily carbonizable substances: conforms
Ethanol (GC): ≤ 0.1 %
Methanol (GC): ≤ 0.1 %
Methyl acetate (GC): ≤ 0.1 %
Al (Aluminium): ≤ 500 ng/g
B (Boron): ≤ 20 ng/g
Ba (Barium): ≤ 100 ng/g
Ca (Calcium): ≤ 500 ng/g
Cd (Cadmium): ≤ 50 ng/g
Co (Cobalt): ≤ 20 ng/g
Cr (Chromium): ≤ 20 ng/g
Cu (Copper): ≤ 20 ng/g
Fe (Iron): ≤ 100 ng/g
Mg (Magnesium): ≤ 100 ng/g
Mn (Manganese): ≤ 20 ng/g
Ni (Nickel): ≤ 20 ng/g
Pb (Lead): ≤ 100 ng/g
Sn (Tin): ≤ 100 ng/g
Zn (Zinc): ≤ 100 ng/g
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.05 %

Legal Information

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

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Safety Information

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