Isobutene

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Properties Simple | Detailed

Formula C4H8
IUPAC Name 2-methylprop-1-ene
Molecular Mass 56.106 g·mol−1
Heat of Formation -23.6 ± 16.7 kJ·mol−1
Dipole Moment 0.98 ± 1.08 D
Volume 95.87 Å 3
Surface Area 110.43 Å 2
HOMO Energy -9.72 ± 0.55 eV
LUMO Energy 1.01 ± eV
Point Group Symmetry C2v
Synonyms
  • 1,1-dimethylethene
  • 1,1-dimethylethylene
  • 1-propene, 2-methyl-
  • 1-propene, 2-methyl-, homopolymer, chlorinated
  • 2-methyl-1-propene
  • 2-methylpropene
  • 2-methylpropylene
  • gamma-butylene
  • isobutene trimer
  • isobutylene
  • isobutylene see also petroleum gases, liquefied [un1055] [flammable gas]
  • isobutylene, various grades
  • isopropylidenemethylene
  • methylpropene
  • one half of para-xylene
  • poly(isobutylene)
  • polyisobutylene
  • polyisobutylene, chlorinated
  • propene, 2-methyl-
  • propene, 2-methyl-, tetramer
  • sym-dimethylethylene
  • unsym. dimethylethylene
CAS Number(s)
  • 68037-14-9
  • 9003-27-4
  • 115-11-7
InChIKey VQTUBCCKSQIDNK-UHFFFAOYSA-N
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