2-methylbutane


dimethylethylmethane; ethyldimethylmethane; isopentane; methylbutane; 2-methylbutane
In russian:2-метилбутан
Links:📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Dimethyläthyl-methan); p. 310,
📖Houben-Weyl, 2. Band (Methylbutan); p. 255,
CAS:[78-78-4]
Formula:C5H12; 72.15 g/mol
InChiKey:QWTDNUCVQCZILF-UHFFFAOYSA-N
SMILES:CCC(C)C
Molecular structure of 2-methylbutane
Use:anesthetic; artificial ice; fluid for low temperature thermometers; lubricant for Claude liquid ice mashines
Density:0.614 g/mL
Molar volume:117.5 mL/mol
Refractive index:1.354
Molecular refractive power:25.54 mL/mol
Dielectric constant:1.83
Dipole moment:0.12 D
Melting point:-160 °C
Boiling point:28 °C
Vapour pressure:79 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical temperature:188 °C
Critical pressure:32.9 atm
Critical volume:308.00 ml/mol
Log10 partition octanol / water:2.30
Dimroth ET:30.9
Hildebrant solubility parameter (δ):6.8
100g dissolves:
4.7g phenol;    0.49g 4-nitrobenzyl chloride
1g dissolves in:
6.71g phenol

Isomers

2,2-dimethylpropane
Molecular structure of 2,2-dimethylpropane
2-methylbutane
Molecular structure of 2-methylbutane
pentane
Molecular structure of pentane