2,5-Dimethylhexane

2,5-Dimethylhexane
Names
	IUPAC name 2,5-Dimethylhexane[1]
Identifiers
CAS Number	592-13-2 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1696877
ChemSpider	11104 ;
ECHA InfoCard	100.008.861
EC Number	209-745-8;
PubChem CID	11592;
UNII	PCS13D63P8 ;
UN number	3295
CompTox Dashboard (EPA)	DTXSID4073201 ;
	InChI InChI=1S/C8H18/c1-7(2)5-6-8(3)4/h7-8H,5-6H2,1-4H3 Key: UWNADWZGEHDQAB-UHFFFAOYSA-N ;
	SMILES CC(C)CCC(C)C;
Properties
Chemical formula	C8H18
Molar mass	114.232 g·mol−1
Appearance	Colourless liquid
Odor	Odourless
Density	694 mg mL−1
Melting point	−93 to −89 °C; −136 to −128 °F; 180 to 184 K
Boiling point	108.1 to 109.9 °C; 226.5 to 229.7 °F; 381.2 to 383.0 K
Vapor pressure	7.582 kPa (at 37.7 °C)
Henry's law; constant (kH)	3.0 nmol Pa−1 kg−1
Magnetic susceptibility (χ)	-98.15·10−6 cm3/mol
Refractive index (nD)	1.392
Thermochemistry
Heat capacity (C)	249.20 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−262.0–−259.0 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−5.4615–−5.4587 MJ 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
Flash point	26 °C (79 °F; 299 K)
Explosive limits	0.98–?%
Related compounds
Related alkanes	Tetraethylmethane; 2,2,4-Trimethylpentane; 2,3,3-Trimethylpentane; 2,3,4-Trimethylpentane; Tetra-tert-butylmethane; 2,3-Dimethylhexane; Isocetane;
	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

2,5-Dimethylhexane is a branched alkane used in the aviation industry in low revolutions per minute helicopters. As an isomer of octane, the boiling point is very close to that of octane, but can in pure form be slightly lower. 2,5-Dimethylhexane is moderately toxic.

References

"2,5-DIMETHYLHEXANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 12 March 2012.

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[1] "2,5-DIMETHYLHEXANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 12 March 2012.