2-Methylheptane

2-Methylheptane

Names
IUPAC name 2-Methylheptane[1]
Identifiers
CAS Number	592-27-8
Beilstein Reference	1696862
ChemSpider	11106
EC Number	209-747-9
Jmol interactive 3D	Image
PubChem	11594
UN number	1262
InChI InChI=1S/C8H18/c1-4-5-6-7-8(2)3/h8H,4-7H2,1-3H3 Key: JVSWJIKNEAIKJW-UHFFFAOYSA-N
SMILES CCCCCC(C)C
Properties
Chemical formula	C8H18
Molar mass	114.23 g·mol^−1
Appearance	Colourless liquid
Odor	Odourless
Density	698 mg mL^−1
Melting point	−112 to −108 °C; −170 to −163 °F; 161 to 165 K
Boiling point	116.8 to 118.4 °C; 242.2 to 245.0 °F; 389.9 to 391.5 K
Vapor pressure	5.3 kPa (at 37.7 °C)
Henry's law constant (kH)	2.7 nmol Pa^−1 kg^−1
Refractive index (nD)	1.395–1.396
Thermochemistry
Specific heat capacity (C)	252.00 J K^−1 mol^−1
Std molar entropy (S^o298)	356.39 J K^−1 mol^−1
Std enthalpy of formation (ΔfH^o298)	−256.5–−253.9 kJ mol^−1
Std enthalpy of combustion (ΔcH^o298)	−5466.7–−5464.3 kJ mol^−1
Hazards
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H225, H304, H315, H336, H410
GHS precautionary statements	P210, P261, P273, P301+310, P331
EU classification (DSD)	F Xn N
R-phrases	R11, R38, R50/53, R65, R67
S-phrases	(S2), S16, S29, S33
NFPA 704	3 0 0
Flash point	4.4 °C (39.9 °F; 277.5 K)
Explosive limits	0.98–?%
Related compounds
Related alkanes	2-Methylhexane 3-Methylhexane 3-Methylheptane
Related compounds	Valnoctamide 2-Ethylhexanol Valpromide 2-Ethylhexanoic acid Propylheptyl alcohol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

2-Methylheptane is a branched alkane isomeric to octane. Its structural formula is (CH₃)₂CH(CH₂)₄CH₃.

References

1. "2-METHYLHEPTANE - Compound Summary". PubChem Compound. National Center for Biotechnology Information. 26 March 2005. Retrieved 6 March 2012.

External links

• International Chemical Safety Card 0731
• Chemical and physical properties table