2-Methyl-2-butene

2-Methyl-2-butene, 2m2b, 2-methylbut-2-ene, also amylene is an alkene hydrocarbon with the molecular formula C5H10.

2-Methyl-2-butene[1][2][3]
Names
Preferred IUPAC name
2-Methylbut-2-ene
Other names
β-Isoamylene
Trimethylethylene
2-Methyl-2-butene
Isoamylene
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.416
UNII
UN number 2460
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
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

Used as a free radical scavenger in trichloromethane (chloroform) and dichloromethane (methylene chloride).

John Snow experimented with it in the 1840s as an anesthetic, but stopped using it for unknown reasons.[4]

See also

References

  1. Dean's Handbook of Organic Chemistry, 2nd Edition.
  2. "Safety (MSDS) data for 2-methyl-2-butene". Archived from the original on 2009-05-14. Retrieved 2009-03-24.
  3. PubChem
  4. Caton, Donald (2000). "John Snow's practice of obstetric anesthesia". Anesthesiology: The Journal of the American Society of Anesthesiologists. 92 (1): 247–247.
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