2-Methyl-2-butene, 2m2b, also 2-methylbut-2-ene, is an alkene hydrocarbon with the molecular formula C5H10.
| Name | 2-Methyl-2-butene | EINECS | 208-156-3 |
| CAS No. | 513-35-9 | Density | 0.671 g/cm3 |
| PSA | 0.00000 | LogP | 1.97250 |
| Solubility | Miscible with alcohol, benzene, ligroin, ethylene oxide and ether. Immiscible with water. | Melting Point | -134 °C
|
| Formula | C5H10 | Boiling Point | 36.025 °C at 760 mmHg |
| Molecular Weight | 70.1344 | Flash Point | -45.556 °C |
| Transport Information | UN 2460 3/PG 2 | Appearance | clear colorless liquid with a petroleum-like odor |
Appearance and properties: The liquid has an unpleasant odor
Density: 0.835 g/mL at 25 °C
Boiling point: 35-38 °C(lit.)
Melting point: -134 °C
Flash point: −4 °F
Refractive index: n20/D 1.385(lit.)
Stability: Stable under normal shipping and handling conditions.
Storage condition: Flammables area
Steam density: 2.4 (vs air)
Vapor pressure: 25.7 psi (55 °C)
Usage:
1. Used for dehydrogenation of isoprene, also as an intermediate in synthetic rubber, resin and organic synthesis. Admixture for increasing octane number of gasoline. Compare samples by gas chromatography.
2. For organic synthesis.
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