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2-Methyl-2-butene

Summary

2-Methyl-2-butene, 2m2b, 2-methylbut-2-ene, also beta-isoamylene 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
  • 513-35-9 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 10113 checkY
ECHA InfoCard 100.007.416 Edit this at Wikidata
  • 10553
UNII
  • HR68LQ4T3X checkY
UN number 2460
  • DTXSID8027165 Edit this at Wikidata
  • InChI=1S/C5H10/c1-4-5(2)3/h4H,1-3H3 checkY
    Key: BKOOMYPCSUNDGP-UHFFFAOYSA-N checkY
  • InChI=1/C5H10/c1-4-5(2)3/h4H,1-3H3
    Key: BKOOMYPCSUNDGP-UHFFFAOYAE
  • C(=C(\C)C)\C
Properties
C5H10
Molar mass 70.1329 g/mol
Appearance Colorless liquid
Odor Sweet
Density 0.662 g/cm3
Melting point −134 °C (−209 °F; 139 K)
Boiling point 39 °C (102 °F; 312 K)
Slightly soluble
Solubility in alcohols, ether Miscible
-54.14·10−6 cm3/mol
1.385
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Mildly toxic
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).
checkY verify (what is checkY☒N ?)
Infobox references

Used as a free radical scavenger in trichloromethane (chloroform) and dichloromethane (methylene chloride). It is also used to scavenge hypochlorous acid (HOCl) in the Pinnick oxidation.

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

See also edit

References edit

  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): 247–252. doi:10.1097/00000542-200001000-00037. PMID 10638922.