Names | |
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Preferred IUPAC name
2-Methylbut-2-ene
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Other names
β-Isoamylene
Trimethylethylene 2-Methyl-2-butene Isoamylene |
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.007.416 |
PubChem CID
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UNII | |
UN number | 2460 |
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Properties | |
C5H10 | |
Molar mass | 70.1329 g/mol |
Appearance | Colorless liquid |
Density | 0.662 g/cm3 |
Melting point | −134 °C (−209 °F; 139 K) |
Boiling point | 39 °C (102 °F; 312 K) |
Insoluble | |
Solubility in alcohols, ether | Miscible |
-54.14·10−6 cm3/mol | |
Refractive index (nD)
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1.385 |
Hazards | |
Flash point | < −45 °C (−49 °F; 228 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references | |
2-Methyl-2-butene, 2m2b, also 2-methylbut-2-ene, is an alkene hydrocarbon with the molecular formula C5H10.