ethyl methyl ketone


2-butanone, butan-2-one, butanone, ethyl methyl ketone, MEK, methyl ethyl ketone
In russian:бутанон-2
Links:📏 NIST, 📖 PubMed
CAS:[78-93-3]
Formula:C4H8O; 72.11 g/mol
Molecular structure of 2-butanone
Density:0.805 g/mL
Molar volume:89.6 mL/mol
Refractive index:1.379
Molecular refractive power:20.69 mL/mol
Dielectric constant:18.51
Dipole moment:2.76 D
Melting point:-86 °C
Boiling point:80 °C
Vapour pressure:74 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Surface tension:24.00 dyn/cm
Viscosity:0.43 cP
Critical temperature:262 °C
Critical pressure:41.1 atm
Evaporation rate (ether):2.5
Evaporation rate (butyl acetate):4.6
Solubility in water:26 % w/w
Solubility of water:12 % w/w
Log10 partition water / activated carbon:2.25
Log10 partition octanol / water:0.29
Snyder P':4.7
Snyder X:Xe: 0.4    Xd: 0.2    Xn: 0.4
Solvent strength (ε0, silica):0.39
Solvent strength (ε0, alumina):0.51
Dimroth ET:41.3
Hildebrant solubility parameter (δ):9.3
Hansen solubility parameter:δd: 7.8 (cal/ml)^0.5   δp: 4.4 (cal/ml)^0.5   δh: 2.5 (cal/ml)^0.5
1g dissolvs in:
2.83g water
Specific heat capacity:38.0 cal/molK
Latent heat of fusion:1,790 cal/mol

Isomers

(E)-but-2-en-1-ol
Molecular structure of (E)-but-2-en-1-ol
(Z)-but-2-en-1-ol
Molecular structure of (Z)-but-2-en-1-ol
1-methylcyclopropanol
Molecular structure of 1-methylcyclopropanol
2,2-dimethyloxirane
Molecular structure of 2,2-dimethyloxirane
2-butanone
Molecular structure of 2-butanone
2-methoxy-1-propene
Molecular structure of 2-methoxy-1-propene
2-methylprop-2-en-1-ol
Molecular structure of 2-methylprop-2-en-1-ol
2-methylpropanal
Molecular structure of 2-methylpropanal
3-buten-1-ol
Molecular structure of 3-buten-1-ol
3-buten-2-ol
Molecular structure of 3-buten-2-ol
allyl methyl ether
Molecular structure of allyl methyl ether
butanal
Molecular structure of butanal
cis-2,3-dimethyloxirane
Molecular structure of cis-2,3-dimethyloxirane
cyclobutanol
Molecular structure of cyclobutanol
cyclopropylmethanol
Molecular structure of cyclopropylmethanol
ethoxyethene
Molecular structure of ethoxyethene
ethyloxirane
Molecular structure of ethyloxirane
methoxycyclopropane
Molecular structure of methoxycyclopropane
tetrahydrofuran
Molecular structure of tetrahydrofuran
trans-2,3-dimethyloxirane
Molecular structure of trans-2,3-dimethyloxirane