2-Methylpentane

2-Methylpentane
IUPAC name 2-Methylpentane[1]
Other names Isohexane[2]
Identifiers
CAS number	107-83-5 Y
PubChem	7892
ChemSpider	7604 Y
EC number	203-523-4
UN number	1208
MeSH	2-methylpentane
ChEMBL	CHEMBL30909 Y
Beilstein Reference	1730735
Jmol-3D images	Image 1
SMILES CCCC(C)C
InChI InChI=1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3 Y Key: AFABGHUZZDYHJO-UHFFFAOYSA-N Y
Properties
Molecular formula	C6H14
Molar mass	86.18 g mol−1
Appearance	Colorless liquid
Odor	Odorless
Density	653 mg mL−1
Melting point	−160 to −146 °C; −256 to −231 °F; 113 to 127 K
Boiling point	60 to 62 °C; 140 to 143 °F; 333 to 335 K
log P	3.608
Vapor pressure	46.7 kPa (at 37.7 °C)
kH	5.7 nmol Pa−1 kg−1
Refractive index (nD)	1.371
Thermochemistry
Std enthalpy of formation ΔfHo298	−205.3–−203.3 kJ mol−1
Standard molar entropy So298	290.58 J K−1 mol−1
Specific heat capacity, C	194.19 J K−1 mol−1
Hazards
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H225, H304, H315, H336, H411
GHS precautionary statements	P210, P261, P273, P301+310, P331
EU Index	601-007-00-7
EU classification	F Xn N
R-phrases	R11, R38, R51/53, R65, R67
S-phrases	(S2), S16, S29, S33
NFPA 704	3 2 0
Flash point	−7 °C; 19 °F; 266 K
Autoignition temperature	306 °C; 583 °F; 579 K
Explosive limits	1.2–7%
Related compounds
Related alkanes	Isopentane 3-Methylpentane 3-Ethylpentane 2-Methylhexane 3-Methylhexane
Related compounds	2-Ethyl-1-butanol Valnoctamide
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

2-Methylpentane is a branched-chain alkane with the molecular formula C₆H₁₄. It is a structural isomer of hexane composed of a methyl group bonded to the second carbon atom in a pentane chain.

References