2-Methyl-2-butene

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
CAS Number	513-35-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	10113 ;
ECHA InfoCard	100.007.416
PubChem CID	10553;
UNII	HR68LQ4T3X ;
UN number	2460
CompTox Dashboard (EPA)	DTXSID8027165 ;
	InChI InChI=1S/C5H10/c1-4-5(2)3/h4H,1-3H3 Key: BKOOMYPCSUNDGP-UHFFFAOYSA-N ; InChI=1/C5H10/c1-4-5(2)3/h4H,1-3H3 Key: BKOOMYPCSUNDGP-UHFFFAOYAE;
	SMILES C(=C(\C)C)\C;
Properties
Chemical formula	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)
Solubility in water	Insoluble
Solubility in alcohols, ether	Miscible
Magnetic susceptibility (χ)	-54.14·10−6 cm3/mol
Refractive index (nD)	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). verify (what is ?) Infobox references

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

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]

^ Dean's Handbook of Organic Chemistry, 2nd Edition.
^ "Safety (MSDS) data for 2-methyl-2-butene". Archived from the original on 2009-05-14. Retrieved 2009-03-24.
^ PubChem
^ 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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See also