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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 ...
Aldrichimica Acta is a scientific journal published by Sigma-Aldrich. Established in 1968 in Milwaukee, Wi, Aldrichimica Acta publishes reviews in the field of synthetic organic chemistry, with each issue focusing on a special topic. The journal is open access. In 2015, the Acta was ranked #1 among journals in the field of organic chemistry by ...
It employs around 19,000 people in 66 countries and runs 65 manufacturing sites and uses the brands Sigma-Aldrich, Milli-Q and Millipore. [65] This division comprises all Millipore activities and major segments of the former Merck division Performance & Life Science Chemicals.Merck Millipore had three business units: Bioscience, Lab Solutions ...
This chemical is used in the paper, textile, rubber and pharmaceutical industries. Propyleneimine is also used in making paint. The top global producers of this specialty chemical include DuPont, Mitsubishi Chemical Holdings Corporation, Sigma-Aldrich, Dixie Chemical Company, J and K Scientific, Apollo Scientific, Mitsui Chemicals.
Aldrich was a leading supplier of organic research chemicals; Sigma a leading supplier of research biochemicals. [8] Together they became the 80th largest chemical company in the United States. [10] As of 1987, 35% of the chemicals sold by Aldrich were produced in-house.
Nonidet P-40 is no longer sold by the chemical company Sigma-Aldrich. Sigma-Aldrich has replaced Nonidet P-40 with IGEPAL CA-630, which is described as a "nonionic, non-denaturing detergent". Sigma-Aldrich claims that IGEPAL CA-630 is "chemically indistinguishable from Nonidet P-40". IGEPAL consists of octyl-phenoxy(polyoxyethylene)ethanol.