chlo·​ro·​prene | \ ˈklȯr-ə-ˌprēn How to pronounce chloroprene (audio) \

Definition of chloroprene

: a colorless liquid C4H5Cl used especially in making neoprene by polymerization

Examples of chloroprene in a Sentence

Recent Examples on the Web Denka officials in October announced they had cut chloroprene by 86%. Gordon Russell, ProPublica, "In “Cancer Alley,” Toxic Polluters Face Little Oversight From Environmental Regulators," 19 Dec. 2019 The Denka plant is the only one in the country that emits chloroprene, which was classified as a likely carcinogen by the U.S. Environmental Protection Agency in 2010. Gordon Russell, ProPublica, "Health Officials in “Cancer Alley” Will Study if Living Near a Controversial Chemical Plant Causes Cancer," 25 Nov. 2019 Production of neoprene—dive wetsuits, insulated lunch boxes, beer koozies—emits toxic chloroprene, and this is the only plant in America that produces it. Justin Nobel, Longreads, "The Louisiana Environmental Apocalypse Road Trip," 13 July 2017 Most of the violations stemmed from leaking or uncapped pipes releasing chloroprene, which Denka uses to make neoprene for wet suits and other materials. Drew Broach,, "Neoprene manufacturer in Reserve cited for Clean Air Act violations: Fox 8," 27 June 2017 DuPont opened the factory on a former sugar plantation called Belle Point in 1964, and its smokestacks have been pumping out chloroprene over this mostly African-American neighborhood since 1969. Charles P. Pierce, Esquire, "Meanwhile, These Americans Are Being Poisoned," 19 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chloroprene.' 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 chloroprene

1931, in the meaning defined above

History and Etymology for chloroprene

chlor- + isoprene

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Time Traveler for chloroprene

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The first known use of chloroprene was in 1931

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Cite this Entry

“Chloroprene.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2021.

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