isoprene


hemiterpene; isoprene; β-methylbivinyl; 2-methylbutadiene; β-methylbutadiene; 2-methyl-1,3-butadiene; 2-methylbuta-1,3-diene; 2-methylbutadiene-1,3; 3-methylbutadiene-1,3; β-methyldivinyl
Links:📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Isopren); p. 462, 601, 745, 752, 757, 825,
📖Org. Chem., v. Richter, 1. Vol (Isoprene); p. 91,
CAS:[78-79-5]
Formula:C5H8; 68.12 g/mol
InChiKey:RRHGJUQNOFWUDK-UHFFFAOYSA-N
SMILES:CC(=C)C=C
Molecular structure of isoprene
Density:0.681 g/mL
Molar volume:100.0 mL/mol
Refractive index:1.422
Molecular refractive power:25.42 mL/mol
Dielectric constant:2.10
Dipole moment:0.29 D
Melting point:-144 °C
Boiling point:34 °C
Vapour pressure:62 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical temperature:211 °C
Critical pressure:3.8 atm
Log10 partition octanol / water:2.42

Isomers

cyclopentene
Molecular structure of cyclopentene
3,3-dimethylcyclopropene
Molecular structure of 3,3-dimethylcyclopropene
ethylidenecyclopropane
Molecular structure of ethylidenecyclopropane
isoprene
Molecular structure of isoprene
3-methyl-1,2-butadiene
Molecular structure of 3-methyl-1,2-butadiene
3-methyl-1-butyne
Molecular structure of 3-methyl-1-butyne
1-methylcyclobutene
Molecular structure of 1-methylcyclobutene
3-methylcyclobutene
Molecular structure of 3-methylcyclobutene
methylidenecyclobutane
Molecular structure of methylidenecyclobutane
1,2-pentadiene
Molecular structure of 1,2-pentadiene
(E)-1,3-pentadiene
Molecular structure of (E)-1,3-pentadiene
(Z)-1,3-pentadiene
Molecular structure of (Z)-1,3-pentadiene
1,4-pentadiene
Molecular structure of 1,4-pentadiene
2,3-pentadiene
Molecular structure of 2,3-pentadiene
1-pentyne
Molecular structure of 1-pentyne
2-pentyne
Molecular structure of 2-pentyne
spiropentane
Molecular structure of spiropentane
vinylcyclopropane
Molecular structure of vinylcyclopropane