2-methyl-2-butene

2-Methyl-2-butene
Names


Preferred IUPAC name 2-Methylbut-2-ene
Other names β-Isoamylene Trimethylethylene 2-Methyl-2-butene Isoamylene
Identifiers
CAS Number	513-35-9^Y
3D model (JSmol)	Interactive image
ChemSpider	10113^Y
ECHA InfoCard	100.007.416
PubChem CID	10553
UNII	HR68LQ4T3X^Y
UN number	2460
InChI InChI=1S/C5H10/c1-4-5(2)3/h4H,1-3H3^Y Key: BKOOMYPCSUNDGP-UHFFFAOYSA-N^Y 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 (n_D)	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).
Y (what is ^YN ?)
Infobox references

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