iso·​bu·​tane | \ ˌī-sō-ˈbyü-ˌtān How to pronounce isobutane (audio) \

Definition of isobutane

: a gaseous branched-chain hydrocarbon (CH3)3CH isomeric with normal butane that is used especially as a fuel

Examples of isobutane in a Sentence

Recent Examples on the Web The Houston alkylation unit upgrades isobutane and refinery olefins into high value alkylate product, Valero said. Houston Chronicle, "Profits plummet at Valero Energy amid lower refining, ethanol earnings," 25 July 2019 The deisobutanizer would be used to make 75,000 barrels of isobutane per day from butane and mixed butane feedstocks. Sergio Chapa, Houston Chronicle, "Enterprise seeks tax break in $675 million expansion of Mont Belvieu facility," 22 July 2019 Enterprise already is building a isobutane dehydrogenation plant in Mont Belvieu to create isobutylene that's used to make lubricants, rubber products, gasoline components and more. Jordan Blum, Houston Chronicle, "Enterprise Products expanding NGL facilities in Houston and Permian," 9 Jan. 2018 Isomerization is the process of turning butane into the more complex and valuable NGL, isobutane. Jordan Blum, Houston Chronicle, "Enterprise Products expanding NGL facilities in Houston and Permian," 9 Jan. 2018 The WhisperLite Universal is the only stove on the market that can burn both isobutane and liquid gas fuel. Emily Reed, Outside Online, "This Is The Last Backpacking Stove You'll Buy," 9 Apr. 2018 The isobutane is then used as a feedstock for petrochemicals or gasoline feedstocks. Jordan Blum, Houston Chronicle, "Enterprise Products expanding NGL facilities in Houston and Permian," 9 Jan. 2018 The shutdown of Chevron’s Pasadena Plastics Complex caused some excess releases, mostly of carbon monoxide and isobutane. Emily Atkin, New Republic, "Harvey’s Hidden Side Effect," 30 Aug. 2017 A worker on the alkylation unit removed the cover of a malfunctioning valve on an isobutane line and used a wrench to turn the value stem, Exxon reported to the Louisiana Department of Environmental Quality in a letter. Christina Austin, Fortune, "Exxon Fined Over Explosion That Injured Workers," 13 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'isobutane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of isobutane

1876, in the meaning defined above

History and Etymology for isobutane

International Scientific Vocabulary

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Time Traveler for isobutane

Time Traveler

The first known use of isobutane was in 1876

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Cite this Entry

“Isobutane.” Dictionary, Merriam-Webster, Accessed 8 Mar. 2021.

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