4-Methyl-1-pentene

4-Methyl-1-pentene

Names
Preferred IUPAC name 4-Methylpent-1-ene
Other names 4-Methyl-1-pentene
Identifiers
CAS Number	691-37-2Y
3D model (JSmol)	Interactive image
Beilstein Reference	1731096
ChemSpider	12201Y
ECHA InfoCard	100.010.656
EC Number	211-720-1
PubChemCID	12724
UNII	X10HRJ2Y7WY
UN number	3295
CompTox Dashboard(EPA)	DTXSID001010991 DTXSID3061001, DTXSID001010991
InChI InChI=1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3Y Key: WSSSPWUEQFSQQG-UHFFFAOYSA-NY
SMILES CC(C)CC=C
Properties
Chemical formula	C6H12
Molar mass	84.162g·mol−1
Density	665 mg cm−3
Melting point	−173 to −113 °C; −280 to −172 °F; 100 to 160 K
Boiling point	54 °C; 129 °F; 327 K
Vapor pressure	30.7 kPa (at 20 °C)
Thermochemistry
Std enthalpy of formation(ΔfH⦵298)	-78.86--77.58 kJ mol−1
Std enthalpy of combustion(ΔcH⦵298)	-3.99836--3.99728 MJ mol−1
Hazards
GHSlabelling:
Pictograms
Signal word	Danger
Hazard statements	H225,H304
Precautionary statements	P210,P301+P310,P331
NFPA 704(fire diamond)	2 4 1
Flash point	−7 °C (19 °F; 266 K)
Autoignition temperature	300 °C (572 °F; 573 K)
Except where otherwise noted, data are given for materials in theirstandard state(at 25 °C [77 °F], 100 kPa). Yverify(what isYN?) Infobox references

4-Methyl-1-penteneis used as a monomer forolefin polymerisation.The resulting polymer ispoly(4-methyl-1-pentene).