2,4-Dimethylpentane

2,4-Dimethylpentane
Identifiers
CAS Number	108-08-7;
3D model (JSmol)	Interactive image;
ChemSpider	7619;
ECHA InfoCard	100.003.226
EC Number	203-548-0;
PubChem CID	7907;
UNII	4JT8Q9QOHI;
UN number	1206
CompTox Dashboard (EPA)	DTXSID2059358 ;
	InChI InChI=1S/C7H16/c1-6(2)5-7(3)4/h6-7H,5H2,1-4H3 Key: BZHMBWZPUJHVEE-UHFFFAOYSA-N;
	SMILES CC(C)CC(C)C;
Properties
Chemical formula	C7H16
Molar mass	100.205 g·mol−1
Appearance	Colorless liquid
Density	0.6971 g/cm3 (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
Main hazards	inflammable
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H304, H315, H335, H336, H400, H410
GHS precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+310, P302+352, P303+361+353, P304+340, P312, P321, P331, P332+313, P362, P370+378, P391, P403+233, P403+235, P405
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

2,4-Dimethylpentane is an alkane with the chemical formula [(H₃C)₂CH]₂CH₂. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene.[1] 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

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.CS1 maint: uses authors parameter (link)

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[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.CS1 maint: uses authors parameter (link)