isobutylene


as-dimethylethylene; asym-dimethylethylene; isobutene; isobutylene; methylpropene; 2-methylpropene; 2-methyl-1-propene; 2-methylprop-1-ene; 2-methylpropylene
Links:📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Isobutylen); p. 460, 670, 745, 749, 763, 769, 772, 782,
📖Org. Chem., v. Richter, 1. Vol (Isobutylene); p. 75, 80, 82, 84, 119
CAS RN:[115-11-7]
Formula:C4H8; 56.11 g/mol
InChiKey:IAQRGUVFOMOMEM-UHFFFAOYSA-N
SMILES:CC=CC
Molecular structure of methylpropene
Density:0.627 g/mL
Molar volume:89.5 mL/mol
Refractive index:1.381
Molecular refractive power:20.81 mL/mol
Dipole moment:0.50 D
Melting point:-141 °C
Boiling point:-6 °C
Vapour pressure:307 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical temperature:144 °C
Critical pressure:39.3 atm
Critical volume:240.00 ml/mol
Log10 partition octanol / water:2.34

Isomers

1-butene
Molecular structure of 1-butene
(E)-2-butene
Molecular structure of (E)-2-butene
(Z)-2-butene
Molecular structure of (Z)-2-butene
cyclobutane
Molecular structure of cyclobutane
methylcyclopropane
Molecular structure of methylcyclopropane
methylpropene
Molecular structure of methylpropene