Editing Octane (section)

== Production and use ==
In petrochemistry, octanes are not typically differentiated or purified as specific compounds.  Octanes are components of particular boiling fractions.<ref>{{Cite web |title=Fractionation |url=https://www.appliedcontrol.com/industries/midstream-oil-and-gas/natural-gas-processing/fractionation/ |access-date=2024-04-19 |website=www.appliedcontrol.com }}</ref>

A common route to such fractions is the [[Alkylation|alkylation reaction]] between iso-butane and 1-butene, which forms iso-octane.<ref>{{Cite journal |last=Ross |first=Julian |date=January 1986 |title=Ullmann's Encyclopedia of industrial chemistry |url=http://dx.doi.org/10.1016/s0166-9834(00)82943-7 |journal=Applied Catalysis |volume=27 |issue=2 |pages=403–404 |doi=10.1016/s0166-9834(00)82943-7 |issn=0166-9834|url-access=subscription }}</ref>

Octane is commonly used as a solvent in paints and adhesives.

{| class="wikitable sortable mw-collapsible"
|[[File:N-octane.jpg|none|thumb|338x338px|''N-octane'' is the octane isomer that has the longest carbon skeleton. Unlike its constitutional isomers, it has a very low knock resistance.]]
|[[File:Iso-octane.jpg|none|thumb|271x271px|The octane isomer, ''iso-octane'', is used as one of the standards for octane ratings. It has a rating of 100 by definition.]]
|[[File:2,3,3-Trimethylpentane_(view_2).jpg|none|thumb|224x224px|The octane isomer ''2,3,3-Trimethylpentane'' has an octane rating exceeding 100.]]
|}