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2,4-Dimethylpentane

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2,4-Dimethylpentane
Names
Preferred IUPAC name 2,4-Dimethylpentane
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.226 Edit this at Wikidata
EC Number
  • 203-548-0
PubChem CID
UNII
UN number 1206
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C7H16/c1-6(2)5-7(3)4/h6-7H,5H2,1-4H3Key: BZHMBWZPUJHVEE-UHFFFAOYSA-N
SMILES
  • CC(C)CC(C)C
Properties
Chemical formula C7H16
Molar mass 100.205 g·mol
Appearance Colorless liquid
Density 0.6971 g/cm (0 °C)
Melting point −119.9 °C (−183.8 °F; 153.2 K)
Boiling point 80.4 °C (176.7 °F; 353.5 K)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards inflammable
GHS labelling:
Pictograms GHS02: FlammableGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Signal word Danger
Hazard statements H225, H304, H315, H335, H336, H410
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P312, P321, P331, P332+P313, P362, P370+P378, P391, P403+P233, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

2,4-Dimethylpentane is an alkane with the chemical formula 2CH2. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. Often referred to as "alkylate", it is blended with other gasoline components to give a high octane fuel. Unlike n-heptane, 2,4-dimethylpentane is a desirable fuel because its branched structure allows combustion without knocking.

Typical acid-catalyzed route to dimethylpentane.

References

  1. Bipin V. Vora; Joseph A. Kocal; Paul T. Barger; Robert J. Schmidt; James A. Johnson (2003). "Alkylation". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.0112112508011313.a01.pub2. ISBN 9780471484943.
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