Chemical Properties of Oxirane, ethyl- (CAS 106-88-7)

Oxirane, ethyl-

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InChI Key
Molecular Weight1
Other Names
  • (.+/-.)-2-Ethyloxirane
  • 1,2-Butene oxide
  • 1,2-Butylene oxide
  • 1,2-Epoxybutane
  • 1,2-Monoepoxybutane
  • 1-Butene oxide
  • 1-Butylene oxide
  • 2-Ethyloxirane
  • But-1-ene oxide
  • Butane, 1,2-epoxy-
  • Butylene oxide
  • DL-1,2-Epoxybutane
  • Epoxybutane
  • Ethylene oxide, ethyl-
  • Ethylethylene oxide
  • Ethyloxirane
  • NCI-C55527
  • NSC 24240
  • Oxirane, 2-ethyl-
  • n-Butene-1,2-oxide
  • «alpha»-Butylene oxide

Physical Properties

Property Value Unit Source
Δcliquid -2548.50 ± 2.60 kJ/mol NIST
Δf -42.57 kJ/mol Joback Calculated Property
Δfgas -185.09 kJ/mol Joback Calculated Property
Δfliquid -168.90 ± 2.60 kJ/mol NIST
Δfus 12.23 kJ/mol Joback Calculated Property
Δvap 28.92 kJ/mol Joback Calculated Property
IE 10.15 eV NIST
logPoct/wat 0.795 Crippen Calculated Property
Pc 4559.21 kPa Joback Calculated Property
gas 324.03 J/mol×K NIST
Tboil [334.00; 336.50] K Show Hide
Tboil 336.50 K NIST
Tboil 336.45 K NIST
Tboil 335.90 ± 1.00 K NIST
Tboil 334.00 ± 4.00 K NIST
Tc 505.23 K Joback Calculated Property
Tfus 179.35 K Joback Calculated Property
Ttriple 143.87 ± 0.05 K NIST
Ttriple 143.87 ± 0.02 K NIST
Vc 0.237 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 101.12 J/mol×K 324.61 Joback Calculated Property
η 0.0002987 Pa×s 324.61 Joback Calculated Property
ΔvapH 24.70 kJ/mol 300.5 NIST

Molecular Descriptors

Joback and Reid Groups
-O- (ring) 1
-CH3 1
>CH- (ring) 1
-CH2- 1
-CH2- (ring) 1

Similar Compounds

Oxirane, propyl-. 2,3-Epoxybutane. 2,3-Dimethyloxirane. Oxirane, 2,3-dimethyl-, trans-. Butane, 2,3-epoxy, trans-. Oxirane, 2,3-dimethyl-, cis-. Oxirane, (1-methylethyl)-. Oxirane, 2-ethyl-3-methyl-, trans-. Oxirane, 2-ethyl-3-methyl-, cis-. Oxirane, methyl-, (S)-. Propylene oxide. Butane, 2-methoxy-. Butane, 1-methoxy-. Oxirane, 2-ethyl-2-methyl-. Oxirane, butyl-.

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