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Beth Curtis

on 15 February 2011

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Transcript of Acrylonitrile

Acrylonitrile History It was discovered by Charles Moureu in 1893. It wasn't important until the 1930's when it was first used in acrylic fibers for textile industry and synthetic rubber In the late 1950's, the Sohio research team developed a new, cheaper, and more efficient process for producing acrylonitrile. How is it made? British Petroleum (BP) produces 95% of the world's acrylonitrile. They hold the patent. Made by the Sohio process It is produced through an oxidation reaction with ammonia, oxygen, and propylene. What is its molar mass? Its Chemical formula is C3H3M The molar mass is 53.1 g/mole Physical Properties Boils at 77.3 degrees Celsius Melts at -82 degrees Celsius It is colorless or sometimes a pale yellow liquid British Petroleum (BP) holds the patent on the Sohio process amd produces 95% of the world's acrylonitrile. Onion like odor It evaporates very quickly Acrylonitrile is produced from a chemical reaction with ammonia, propylene, and air. Colorless to pale yellow liquid Onion like odor How is it used? Used to make plastics, usually in conjunction with other chemical compounds In the past it was used as a pesticide, but it is no longer used for that purpose It is used to produce the acrylic fibers for carpeting It is used to produce surface coatings Benefits It worked effectively for many years as a pesticide used by farmers It helps produce dyes and pharmaceuticals It is used to produce the blister packs that keep medical supplies sterile Detriments Breathing it in causes respiratory irritation, difficulty breathing, nausea, dizziness, weakness and headaches Contact with skin causes burns and blisters Studies have linked contact with acrylonitrile to cancer. It is explosive when exposed to fire What kind of bond is it? Covalent bond The bond between Carbon and Carbon has an electronegativity difference of 0 Between Carbon and Nitrogen is is .45 Between Carbon and Hydrogen, .35
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