Methyl Isocyanate

Methyl Isocyanate - November 27, 2007 CHEM 2380 Methyl...

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November 27, 2007 CHEM 2380 Methyl Isocyanate Methyl Isocyanate (MIC) is synthesized by reacting methylamine with phosgene; it is an intermediate that is formed in the organic synthesis of carbamate pesticides such as “Sevin.” In the 1970’s the chemical company Union Carbide decided that India had huge promise and potential in the pesticides industry and decided to build an herbicide and pesticide plant in Bhopal. The plant never reached full capacity—the pesticides they manufactured were too expensive for the farmers in the region; the plant ceased production altogether in the early 1980’s. Although the plant was shut down, around 60 tons of the MIC used to make “Sevin” was left unattended in three large storage tanks below ground—the six safety systems that the Union Carbide plant was equipped with to prevent a leak of the toxic MIC were either turned off or were no longer functional. On December 2, 1984, multiple stopcocks connecting the tanks with the safety systems and
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This essay was uploaded on 04/14/2008 for the course CHEM 2380 taught by Professor Dandekar during the Winter '07 term at North Texas.

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Methyl Isocyanate - November 27, 2007 CHEM 2380 Methyl...

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