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2,3-Dimethylbutane

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2,3-Dimethylbutane
Skeletal formula of 2,3-dimethylbutane with some implicit hydrogens shown
Ball and stick model of 2,3-dimethylbutane
Names
Preferred IUPAC name 2,3-Dimethylbutane
Other names 2,3-Diisohexane
Diisopropyl
23DMB
Biisopropyl
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 1730737
ChEBI
ChemSpider
ECHA InfoCard 100.001.085 Edit this at Wikidata
EC Number
  • 201-193-6
MeSH 2,3-dimethylbutane
PubChem CID
RTECS number
  • EJ9350000
UNII
UN number 2457
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C6H14/c1-5(2)6(3)4/h5-6H,1-4H3Key: ZFFMLCVRJBZUDZ-UHFFFAOYSA-N
SMILES
  • CC(C)C(C)C
Properties
Chemical formula C6H14
Molar mass 86.178 g·mol
Appearance Colorless liquid
Odor Odorless
Density 662 mg mL
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 kg
Magnetic susceptibility (χ) -76.22·10 cm/mol
Refractive index (nD) 1.375
Thermochemistry
Heat capacity (C) 189.02 J K mol
Std molar
entropy (S298) 		278.85 J K mol
Std enthalpy of
formation (ΔfH298) 		−208.0–−206.0 kJ mol
Std enthalpy of
combustion (ΔcH298) 		−4.1558–−4.1540 MJ mol
Hazards
GHS labelling:
Pictograms GHS02: Flammable GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
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
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

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

  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).
Alkanes


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