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1,2-Dibromoethane
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1,2-Dibromoethane : ウィキペディア英語版
1,2-Dibromoethane

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1,2-Dibromoethane, also known as ethylene dibromide (EDB), is the organobromine compound with the chemical formula (CH2Br)2. Although trace amounts occur naturally in the ocean, where it is formed probably by algae and kelp, it is mainly synthetic. It is a colorless liquid with a sweet odor, detectable at 10 ppm, is a widely used and sometimes-controversial fumigant.〔
==Preparation and use==
It is produced by the reaction of ethylene with bromine, in a classic halogen addition reaction:
:CH2=CH2 + Br2 → BrCH2CH2Br
Historically, 1,2-dibromoethane was used as an anti-knock additive in leaded fuels. It reacts with lead residues to generate volatile lead bromides, thereby preventing fouling of the engine.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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