2,3-Dimethylbutane

2,3-Dimethylbutane
Names
	Preferred IUPAC name 2,3-Dimethylbutane
	Other names 2,3-Diisohexane; Diisopropyl; 23DMB; Biisopropyl
Identifiers
CAS Number	79-29-8 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1730737
ChEBI	CHEBI:141560;
ChemSpider	6340 ;
ECHA InfoCard	100.001.085
EC Number	201-193-6;
MeSH	2,3-dimethylbutane
PubChem CID	6589;
RTECS number	EJ9350000;
UNII	68ISQ7A432 ;
UN number	2457
CompTox Dashboard (EPA)	DTXSID9025112 ;
	InChI InChI=1S/C6H14/c1-5(2)6(3)4/h5-6H,1-4H3 Key: ZFFMLCVRJBZUDZ-UHFFFAOYSA-N ;
	SMILES CC(C)C(C)C;
Properties
Chemical formula	C6H14
Molar mass	86.178 g·mol−1
Appearance	Colorless liquid
Odor	Odorless
Density	662 mg mL−1
Melting point	−136 to −124 °C; −213 to −191 °F; 137 to 149 K
Boiling point	57.9 to 58.3 °C; 136.1 to 136.8 °F; 331.0 to 331.4 K
Vapor pressure	26.1 kPa (at 21.1 °C)
Henry's law; constant (kH)	7.6 nmol Pa−1 kg−1
Magnetic susceptibility (χ)	-76.22·10−6 cm3/mol
Refractive index (nD)	1.375
Thermochemistry
Heat capacity (C)	189.02 J K−1 mol−1
Std molar; entropy (S⦵298)	278.85 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−208.0–−206.0 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−4.1558–−4.1540 MJ mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H305, H315, H336, H411
Precautionary statements	P210, P261, P273, P301+P310, P331
Flash point	−29 °C (−20 °F; 244 K)
Autoignition; temperature	420 °C (788 °F; 693 K)
Explosive limits	1.2–7.7%
	NIOSH (US health exposure limits):
PEL (Permissible)	none
Related compounds
Related alkanes	Neopentane; 2,2-Dimethylbutane; Triptane; Tetramethylbutane; Tetraethylmethane; 2,2,4-Trimethylpentane; 2,3,3-Trimethylpentane; 2,3,4-Trimethylpentane; Tetra-tert-butylmethane;
	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

2,3-Dimethylbutane is an isomer of hexane. It has the chemical formula (CH₃)₂CHCH(CH₃)₂. It is a colorless liquid which boils at 57.9 °C.

References

^ "2,3-dimethylbutane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 March 2012.
^ NIOSH Pocket Guide to Chemical Hazards. "#0323". National Institute for Occupational Safety and Health (NIOSH).

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[1] "2,3-dimethylbutane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 March 2012.

[2] NIOSH Pocket Guide to Chemical Hazards. "#0323". National Institute for Occupational Safety and Health (NIOSH).

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