Chemical Properties of Oxirane, 2,2-dimethyl- (CAS 558-30-5)

Oxirane, 2,2-dimethyl-

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InChI
InChI=1S/C4H8O/c1-4(2)3-5-4/h3H2,1-2H3
InChI Key
GELKGHVAFRCJNA-UHFFFAOYSA-N
Formula
C4H8O
SMILES
CC1(C)CO1
Molecular Weight1
72.11
CAS
558-30-5
Other Names
  • 1,1-Dimethylethylene oxide
  • 1,2-Epoxy-2-methylpropane
  • 1,2-Epoxyisobutane
  • 1,2-Isobutylene oxide
  • 2,2-Dimethyloxirane
  • 2-Methyl-1,2-epoxypropane
  • 2-Methyl-1-propene oxide
  • Isobutene oxide
  • Isobutylene oxide
  • NSC 24249
  • Oxirane, 2,2-dimethyl-
  • Propane, 1,2-epoxy-2-methyl-
Sources

Physical Properties

Property Value Unit Source
Δf -48.06 kJ/mol Joback Calculated Property
Δfgas -169.85 kJ/mol Joback Calculated Property
Δfus 5.93 kJ/mol Joback Calculated Property
Δvap 27.77 kJ/mol Joback Calculated Property
IE 10.00 eV NIST
IE 10.00 eV NIST
logPoct/wat 0.795 Crippen Calculated Property
Pc 4849.43 kPa Joback Calculated Property
Tboil [323.15; 347.65] K Show Hide
Tboil 325.00 K NIST
Tboil 325.20 K NIST
Tboil 323.15 ± 1.50 K NIST
Tboil 324.65 ± 2.00 K NIST
Tboil 325.15 ± 3.00 K NIST
Tboil Outlier 347.65 ± 5.00 K NIST
Tc 514.29 K Joback Calculated Property
Tfus 207.00 ± 0.60 K NIST
Vc 0.235 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 100.04 J/mol×K 324.85 Joback Calculated Property
ΔvapH 30.60 kJ/mol 266.5 NIST

Molecular Descriptors

Joback and Reid Groups
>C< (ring) 1
-O- (ring) 1
-CH3 2
-CH2- (ring) 1

Similar Compounds

Oxirane, methyl-, (S)-. Propylene oxide. .alpha.-Trimethylethylene oxide. Propane, 2-methoxy-2-methyl-. Oxirane, 2-ethyl-2-methyl-. 1,2-Propanediol, 2-methyl-. Oxirane, tetramethyl-. Propane, 2-methoxy-. Isobutyl methyl ether. 2,3-Epoxybutane. Oxirane, 2,3-dimethyl-, cis-. 2,3-Dimethyloxirane. Propane, 2-ethoxy-2-methyl-. Oxirane, 2,3-dimethyl-, trans-. Butane, 2,3-epoxy, trans-.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.