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Sigma-Aldrich was created in 1975 by the merger of Sigma Chemical Company and Aldrich Chemical Company. It grew through various acquisitions until it had over 9,600 employees and was listed on the Fortune 1000. The company has two United States headquarters, in St. Louis and Burlington, MA and has operations in approximately 40 countries. [7]
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 US$ 951,000,000,000, an increase of 11.8% compared to the top fifty producers of 2017. [ 2 ]
Bromine started Dow Chemical, but the company quickly diversified into the giant chemical manufacturer it is today. For many years the Michigan Basin was the leading producer of bromine. In 1980, five companies were operating six bromine extraction plants in Michigan. The Dow Chemical Company closed Michigan's last operating bromine plant in 2007.
In addition to the Dead Sea Works, Israel Chemicals mines phosphates in the Negev desert. [12] ICL Group serves customers in Asia. [13] The company's share is a dual stock traded on the Tel Aviv Stock Exchange since 1991 and on the New York Stock Exchange under the symbol ICL, and is part of the Tel Aviv 35 Index.
Great Lakes Chemical Company was founded in Michigan in 1936 to extract bromine from underground salt water brine deposits. It was acquired by McClanahan Oil in 1948 and rechristened Great Lakes Oil and Chemical Company, but by 1960 the company had moved away from oil and gas, instead focusing on the research and production of bromine-based chemicals.
Albemarle Corporation is an American specialty chemicals manufacturing company based in Charlotte, North Carolina. It operates 3 divisions: lithium (68.4% of 2022 revenues), bromine specialties (19.3% of 2022 revenues) and catalysts (12.3% of 2022 revenues).
Shelter-in-place recommendations and evacuation orders have been lifted Monday after a fire at a Georgia industrial plant caused a chemical reaction that prompted around 17,000 people to evacuate ...
As of 1995, this issue was probably still present, since a survey of catalogs from various chemical companies including Merck, Fluka Chemie AG, BDH Chemicals, Aldrich, and Sigma, only the alpha-melibiose was available. [5] Beta-melibiose is in fact an epimer of alpha-melibiose. However, since when in solution, alpha- and beta-melibiose rapidly ...