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isobutylene

American  
[ahy-suh-byoot-l-een] / ˌaɪ səˈbjut lˌin /
Also isobutene

noun

Chemistry.
  1. a colorless, very volatile liquid or flammable gas, C 4 H 8 , used chiefly in the manufacture of butyl rubber.


Etymology

Origin of isobutylene

First recorded in 1870–75; iso- + butylene

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

There are a wide range of chemicals that scientists are concerned about from the East Palestine crash, including vinyl chloride, 2-butoxyethanol, ethylhexyl acrylate, butyl acrylate and isobutylene.

From Salon Apr. 11, 2023

One car carrying isobutylene, a flammable gas with a petroleum-like odor, did not appear to be breached in the derailment, according to Norfolk Southern.

From New York Times Feb. 15, 2023

Also being transported on the ill-fated train were ethylene glycol monobutyl ether, ethylhexyl acrylate and isobutylene.

From Washington Times Feb. 14, 2023

Exposure to large amounts of the other three chemicals, two of them liquid and one, isobutylene, a flammable gas, is also known to cause headaches, nausea and respiratory problems.

From Washington Post Feb. 14, 2023

Authorities said a transfer line ignited in the area of a tank of isobutylene — a flammable colorless gas used in the production of high octane gasoline — which then caught on fire.

From Fox News Apr. 2, 2019

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