2-Butanone ACS Reagent ‰¥99.0% 1 Liter

2-Butanone ACS Reagent ‰¥99.0% 1 Liter

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2-Butanone ACS Reagent ≥99.0% 1 Liter

Synonym: Ethyl methyl ketone, MEK, Methyl ethyl ketone

  • CAS Number 78-93-3
  • Linear Formula C2H5COCH3
  • Molecular Weight 72.11
  • Beilstein/REAXYS Number 741880
  • EC Number 201-159-0
  • MDL number MFCD00011648
  • eCl@ss 39021202
  • PubChem Substance ID 329760661
  • NACRES NA.21
grade ACS reagent
vapor density 2.49 (vs air)
vapor pressure 71 mmHg ( 20 °C)
assay ≥99.0%
autoignition temp. 960 °F
expl. lim. 10.1 %
impurities ≤0.0005 meq/g Titr. acid
  ≤0.20% water
evapn. residue ≤0.0025%
color APHA: ≤15
refractive index n20/D 1.379 (lit.)
bp 80 °C (lit.)
mp −87 °C (lit.)
density 0.805 g/mL at 25 °C (lit.)
SMILES string CC(CC)=O
InChI 1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3

General description

2-Butanone is a ketone. Physical properties of the solutions of 1-n-butyl-3-methylimidazolium tetrafluoroborate (ionic liquid) in various organic solvents (acetonitrile, dichloromethane, 2-butanone and N,N-dimethylformamide) has been studied. Viscosity and density of these mixtures were evaluated at 298.15K.


2-Butanone (Methyl ethyl ketone) may be employed as solvent for the methylation agent [11C]methyl trifluoromethanesulfonate ([11C]CH3OTf), during the completely automated radiosynthesis of 2-(4-N-[11C]methylaminophenyl)-6-hydroxybenzothiazole ([11C]PIB). It may be used in the synthesis of nanocontainer composed of 6 bowl-shaped cavitands. In the nanocontainer, cavitands were joined by 12 -CH=N-CH2CH2-N=CH- linkers.

GHS02, GHS07

Signal word Danger
Hazard statements H225-H319-H336
Precautionary statements P210-P305 + P351 + P338-P370 + P378-P403 + P235
Supplemental Hazard Statements Repeated exposure may cause skin dryness or cracking.
RIDADR UN1193 - class 3 - PG 2 - Ethyl methyl ketone
WGK Germany 1
RTECS EL6475000
Flash Point(F) 26.6 °F
Flash Point(C) -3 °C



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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning

Please note: This product is not returnable.

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