chloroprene

American  

[klawr-uh-preen, klohr-] / ˈklɔr əˌprin, ˈkloʊr- /

noun

1. a colorless, slightly water-soluble liquid, C 4 H 5 Cl, usually produced by the reaction of vinylacetylene with hydrochloric acid, that polymerizes to neoprene.

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chloroprene British  

/ ˈklɔːrəʊˌpriːn /

noun

1. a colourless liquid derivative of butadiene that is used in making neoprene rubbers; 2-chloro-1,2-butadiene. Formula: CH 2 :CHCCl:CH 2

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Etymology

Origin of chloroprene

First recorded in 1930–35; chloro- ² + (iso)prene

Example Sentences

And the EPA is proposing regulations to reduce emissions of pollutants like chloroprene.

From Seattle Times • Nov. 1, 2023

The proposal would also institute new monitoring requirements for ethylene oxide and a host of other chemicals — including chloroprene, benzene, 1,3-butadiene, ethylene dichloride and vinyl chloride, the EPA said.

From Washington Post • Apr. 6, 2023

Robert Taylor, executive director of Concerned Citizens of St. John, said he founded his organization after attending a 2016 EPA meeting that revealed chloroprene concentrations at the school.

From Salon • Oct. 24, 2022

Jim Harris, a spokesperson for Denka, said in a written statement that the EPA's chloroprene limit is "based on a faulty and outdated exposure model."

From Salon • Oct. 24, 2022

Less than a half mile from an elementary school in Reserve, it makes synthetic rubber, emitting chloroprene, listed as a carcinogen in California, and a likely one by the Environmental Protection Agency.

From Seattle Times • Sep. 26, 2022