butadiene

[byoo-tuh-dahy-een, -dahy-een]
noun Chemistry.
a colorless, flammable gas, C 4 H 6 , soluble in alcohol but not in water, usually derived from butane or butene: used chiefly in the manufacture of rubber and paint, and in organic synthesis.
Also called bivinyl, vinylethylene.


Origin:
1895–1900; buta(ne) + di-1 + -ene

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Collins
World English Dictionary
butadiene (ˌbjuːtəˈdaɪiːn)
 
n
Systematic name: buta-1,3-diene a colourless easily liquefiable flammable gas that polymerizes readily and is used mainly in the manufacture of synthetic rubbers. Formula: CH2:CHCH:CH2
 
[C20: from buta(ne) + di-1 + -ene]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
butadiene   (by'tə-dī'ēn')  Pronunciation Key 
A colorless, highly flammable hydrocarbon obtained from petroleum and used to make synthetic rubber. Chemical formula: C4H6.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

butadiene

either of two aliphatic organic compounds that have the formula C4H6. The term ordinarily signifies the more important of the two, 1,3-butadiene, which is the major constituent of many synthetic rubbers. It was first manufactured in Germany during World War I from acetylene. During World War II, butenes from petroleum and natural gas were the raw material for 60 percent of American butadiene production, ethyl alcohol for the rest. Butadiene rubber has now completely displaced natural rubber in the manufacture of automobile tires. Nearly all butadiene is made by dehydrogenation of butane or butenes or by high-temperature cracking (breaking up of large molecules) of petroleum distillates.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
In contact with air, butadiene may form violently explosive peroxides, which can be exploded by mild heat or shock.
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