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The structure of CSI is represented as ClS(O) 2-N=C=O. It consists of two electron-withdrawing components, the chlorosulfonyl group (SO 2 Cl) and the isocyanate group (-N=C=O). Because of its resulting electrophilicity, the use of CSI in chemical synthesis requires relatively inert solvents such as chlorocarbons, acetonitrile, and ethers. [2]
The Commercial Solvents Corporation was established at the end of World War I; earning distinction as the pioneer producer of acetone and butanol by fermentation processes developed and patented by Dr. Chaim Weizmann.
Formed in 1920 and based in New York City, the Allied Chemical and Dye Corporation combined five chemical companies, including Solvay Process and Semet-Solvay. When proposed, the promoters assured the companies that each would retain autonomy of operations. Meyer persuaded Orlando Weber to take charge of Allied Chemical.
Meanwhile, in the United States, the Shell Chemical Company (founded 1929) began the world's first production of ammonia from natural gas in California in 1931. It also started production of chemical solvents from refinery gases in California during the early 1930s, while in 1942, it pioneered the production of butadiene , a key raw material ...
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Caesium iodide or cesium iodide (chemical formula CsI) is the ionic compound of caesium and iodine. It is often used as the input phosphor of an X-ray image intensifier tube found in fluoroscopy equipment. Caesium iodide photocathodes are highly efficient at extreme ultraviolet wavelengths. [7]
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FMC Corporation operated a plant in Fridley Minnesota several hundred feet east of the Mississippi river from the 1940s until 1969 where it disposed of waste such as solvents, paint sludge, and plating wastes in an on-site dump. In the early 1980s, contamination from the on-site dump contaminated the Mississippi River, and nearby drinking water ...