3-Methylpentane is a branched alkane with the molecular formula C6H14. It is a structural isomer of hexane composed of a methyl group bonded to the third carbon atom in a pentane chain. It is of similar structure to the isomeric 2-methylpentane, which has the methyl group located on the second carbon of the pentane chain.
As of early 1990s, it was present in American[3] and European[4] gasoline in small amounts, and by 2011 its share in US gas varied between 1.5 and 6%[5] It has close research and motor octane numbers of 74.5 and 74.3.[6]
References
- ^ "3-methylpentane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 5 March 2012.
- ^ NIOSH Pocket Guide to Chemical Hazards. "#0323". National Institute for Occupational Safety and Health (NIOSH).
- ^ Doskey, Paul V.; Porter, Joseph A.; Scheff, Peter A. (November 1992). "Source Fingerprints for Volatile Non-Methane Hydrocarbons". Journal of the Air & Waste Management Association. 42 (11): 1437–1445. doi:10.1080/10473289.1992.10467090. ISSN 1047-3289.
- ^ Östermark, Ulf; Petersson, Göran (1992-09-01). "Assessment of hydrocarbons in vapours of conventional and alkylate-based petrol" (PDF). Chemosphere. 25 (6): 763–768. doi:10.1016/0045-6535(92)90066-Z. ISSN 0045-6535.
- ^ "Hydrocarbon Composition of Gasoline Vapor Emissions from Enclosed Fuel Tanks". nepis.epa.gov. United States Environmental Protection Agency. 2011.
- ^ Abdul Jameel, Abdul Gani; Van Oudenhoven, Vincent; Emwas, Abdul-Hamid; Sarathy, S. Mani (2018-05-17). "Predicting Octane Number Using Nuclear Magnetic Resonance Spectroscopy and Artificial Neural Networks". Energy & Fuels. 32 (5): 6309–6329. doi:10.1021/acs.energyfuels.8b00556. ISSN 0887-0624.
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