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
Identifiers
CAS number 79-29-8 YesY
PubChem 6589
ChemSpider 6340 YesY
EC number 201-193-6
UN number 2457
MeSH 2,3-dimethylbutane
RTECS number EJ9350000
Beilstein Reference 1730737
Jmol-3D images Image 1
Properties
Molecular formula C6H14
Molar mass 86.18 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 58.3 to 57.9 °C; 136.8 to 136.1 °F; 331.4 to 331.0 K
Vapor pressure 26.1 kPa (at 21.1 °C)
kH 7.6 nmol Pa−1 kg−1
Refractive index (nD) 1.375
Thermochemistry
Specific
heat capacity
C
189.02 J K−1 mol−1
Std molar
entropy
So298
278.85 J K−1 mol−1
Std enthalpy of
formation
ΔfHo298
−208.0–−206.0 kJ mol−1
Std enthalpy of
combustion
ΔcHo298
−4.1558–−4.1540 MJ mol−1
Hazards
GHS pictograms The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The health hazard pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The environment pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word DANGER
GHS hazard statements H225, H304, H315, H336, H411
GHS precautionary statements P210, P261, P273, P301+310, P331
EU Index 601-007-00-7
EU classification Flammable F Harmful Xn Dangerous for the Environment (Nature) N
R-phrases R11, R38, R65, R67, R51/53
S-phrases (S2), S16, S29, S33
Flash point −29 °C (−20 °F; 244 K)
Explosive limits 1.2–7.7%
Related compounds
Related alkanes
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

2,3-Dimethylbutane, also known as diisopropyl, 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[edit]

  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.