2,3-Dimethylhexane

2,3-Dimethylhexane
	Skeletal formula of 2,3-Dimethylhexane
	Ball and stick model of 2,3-dimethylhexane
Names
	Preferred IUPAC name 2,3-Dimethylhexane
Identifiers
CAS Number	584-94-1 ;
3D model (JSmol)	Interactive image ;
ChemSpider	10963 ; 553611 R ; 18527723 S ;
ECHA InfoCard	100.008.681
PubChem CID	11447 ; 638047 R; 22810194 S;
CompTox Dashboard (EPA)	DTXSID40862240 ;
	InChI InChI=1S/C8H18/c1-5-6-8(4)7(2)3/h7-8H,5-6H2,1-4H3 Key: JXPOLSKBTUYKJB-UHFFFAOYSA-N ;
	SMILES CCCC(C)C(C)C;
Properties
Chemical formula	C8H18
Molar mass	114.232 g·mol−1
Appearance	Colourless liquid
Odor	Odourless
Density	719 mg mL−1
Melting point	−110 °C (−166 °F; 163 K)
Boiling point	115 to 117 °C; 239 to 242 °F; 388 to 390 K
Henry's law; constant (kH)	2.6 nmol Pa−1 kg−1
Magnetic susceptibility (χ)	−98.77·10−6 cm3/mol
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	−253.3 – −251.3 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−5.4683 – −5.4665 MJ mol−1
Related compounds
Related alkanes	Tetraethylmethane ; 2,2,4-Trimethylpentane ; 2,3,3-Trimethylpentane ; 2,3,4-Trimethylpentane ; Tetra-tert-butylmethane ; 2,5-Dimethylhexane ; Isocetane ;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Last updated July 18, 2025

2,3-Dimethylhexane is a structural isomer of octane.

References

↑ "2,3-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] "2,3-DIMETHYLHEXANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 12 March 2012.

[1]

Names
Skeletal formula of 2,3-Dimethylhexane
Ball and stick model of 2,3-dimethylhexane
Preferred IUPAC name 2,3-Dimethylhexane^[1]
Identifiers
CAS Number	584-94-1 ^N
3D model (JSmol)	Interactive image
ChemSpider	10963 ^Y 553611 R^N 18527723 S^N
ECHA InfoCard	100.008.681
PubChem CID	11447 638047 R 22810194 S
CompTox Dashboard (EPA)	DTXSID40862240
InChI InChI=1S/C8H18/c1-5-6-8(4)7(2)3/h7-8H,5-6H2,1-4H3^Y Key: JXPOLSKBTUYKJB-UHFFFAOYSA-N^Y
SMILES CCCC(C)C(C)C
Properties
Chemical formula	C₈H₁₈
Molar mass	114.232 g·mol⁻¹
Appearance	Colourless liquid
Odor	Odourless
Density	719 mg mL⁻¹
Melting point	−110 °C (−166 °F; 163 K)
Boiling point	115 to 117 °C; 239 to 242 °F; 388 to 390 K
Henry's law constant (k_H)	2.6 nmol Pa⁻¹ kg⁻¹
Magnetic susceptibility (χ)	−98.77·10⁻⁶ cm³/mol
Thermochemistry
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	−253.3 – −251.3 kJ mol⁻¹
Std enthalpy of combustion (Δ_cH^⦵₂₉₈)	−5.4683 – −5.4665 MJ mol⁻¹
Related compounds
Related alkanes	Tetraethylmethane 2,2,4-Trimethylpentane 2,3,3-Trimethylpentane 2,3,4-Trimethylpentane Tetra-tert-butylmethane 2,5-Dimethylhexane Isocetane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references