257486

2-Methyl-1-butene

98%

• Synonym(s): γ-Isoamylene, 1-Isoamylene, 2-Methyl-1-butylene
• Linear Formula: CH₃CH₂C(CH₃)=CH₂
• CAS Number: 563-46-2
• Molecular Weight: 70.13
• Beilstein/REAXYS Number: 505975
• EC Number: 209-250-7
• MDL number: MFCD00009333
• UNSPSC Code: 12352100
• PubChem Substance ID: 24855592
• NACRES: NA.22

Properties

• vapor pressure: 9.98 psi ( 20 °C)
• Quality Level: 100
• assay: 98%
• form: liquid
• refractive index: n20/D 1.378 (lit.)
• bp: 31 °C (lit.)
• mp: −137 °C (lit.)
• density: 0.65 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: CCC(C)=C
• InChI: 1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3
• InChI key: MHNNAWXXUZQSNM-UHFFFAOYSA-N

Description

General description

Reactivity of 2-methyl-1-butene in the etherification reaction with ethanol catalyzed by a strongly acidic macroreticular resin catalyst has been investigated. Kinetics and mechanism of addition of hydrogen and deuterium chloride to 2-methyl-1-butene in nitromethane has been investigated.

Application

• Combustion Properties Analysis: A detailed study on the combustion properties of a gasoline-like blend of pentene isomers, including 2-Methyl-1-butene, provided insights into laminar flame speed, ignition delay time, and CO laser absorption, aiding in the optimization of fuel formulations for enhanced engine performance (Gregoire et al., 2023).


• Hydrogenation Mechanism Study: Research utilizing the parahydrogen-induced polarization technique explored the mechanisms of methylenecyclobutane hydrogenation over supported metal catalysts, with 2-Methyl-1-butene serving as a key intermediate, offering potential advancements in catalytic process development (Salnikov et al., 2022).


• Reaction Kinetics with Hydrogen Atoms: An extensive theoretical study examined the reactions of hydrogen atoms with small alkenes, including 2-Methyl-1-butene, shedding light on the hierarchical reaction mechanisms crucial for understanding and designing better chemical synthesis processes (Power et al., 2021).


• Ozonolysis of Asymmetric Alkenes: A study on the ozonolysis of asymmetric alkenes, including 2-Methyl-1-butene, used matrix isolation and FT-IR spectroscopy to investigate the chemical pathways, providing valuable insights into atmospheric chemistry and pollutant degradation (Wang et al., 2020).

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H224
• pcodes: P210 - P233 - P240 - P241 - P242 - P403 + P233
• Hazard Classifications: Flam. Liq. 1
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: -34.6 °F - closed cup
• flash_point_c: -37 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves