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The compound, Cs 3 CdH 5, prepared by the reaction of caesium hydride, CsH, and cadmium metal powder at high temperature contains the CdH 2− 4 ion, along with caesium cations, Cs +, and hydride anions, H −. The tetrahedral anion is an example of an ionic complex of CdH 2. The average Cd-H bond length in CdH 2− 4 is 182pm.
History. The term "fine chemicals" was in use as early as 1908. The emergence of the fine chemical industry as a distinct entity dates to the late 1970s, when the overwhelming success of the histamine H 2 receptor antagonists Tagamet (cimetidine) and Zantac (ranitidine hydrochloride) created a strong demand for advanced organic chemicals used in their manufacture.
List of largest chemical producers. The Friedrich-Engelhorn-Hochhaus, headquarters of BASF from 1957 to 2013. Chemical & Engineering News publishes an annual list of the world's largest chemical producers by sales, excluding formulated products such as pharmaceutical drugs and coatings. [1] In 2018, sales of the top fifty companies amounted to ...
Ashland Global Holdings, Inc. Ashland Inc. is an American chemical company headquartered in Wilmington, Delaware. The company traces its roots back to the city of Ashland, Kentucky, where it was headquartered from 1924 to 1999. The company has five wholly owned divisions, which include Chemical Intermediates and Solvents, Composites, Industrial ...
Eastman Chemical Company is an American company primarily involved in the chemical industry. Once a subsidiary of Kodak, [2] today it is an independent global specialty materials company that produces a broad range of advanced materials, chemicals and fibers for everyday purposes. Founded in 1920 and based in Kingsport, Tennessee, the company ...
Rohm and Haas Company is a US manufacturer of specialty chemicals for end use markets such as building and construction, electronic devices, packaging, household and personal care products. Headquartered in Philadelphia, the company is organized into three business groups of Specialty Materials, Performance Materials and Electronic Materials ...
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