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An arsenic-based drug, arsphenamine, was also developed for the treatment of syphilis, synthesized by Paul Ehrlich, though it was eventually replaced by penicillin. [8] Arsenic compounds were widely used to treat various diseases in the 19th and early 20th centuries. [7] [9] [10]
The poisonous properties of arsenic are the subject of an extensive literature. [26] [27] [28] In Austria, there lived the so-called "arsenic eaters of Styria", who ingested doses far beyond the lethal dose of arsenic trioxide without any apparent harm. Arsenic is thought to enable strenuous work at high altitudes, e.g. in the Alps. [29] [30 ...
Later, on similar routes, the corresponding and isostructural arsenic and antimony species were also synthesized. [3] Other synthetic methods involve deprotonation of OH or NH groups in the presence of ECl 3 (E=P, [ 4 ] As, Sb [ 5 ] and Bi [ 6 ] ), salt metathesis [ 7 ] or reduction of pentavalent pnictogen compounds.
Arsenic trioxide powder.. Compounds of arsenic resemble in some respects those of phosphorus which occupies the same group (column) of the periodic table.The most common oxidation states for arsenic are: −3 in the arsenides, which are alloy-like intermetallic compounds, +3 in the arsenites, and +5 in the arsenates and most organoarsenic compounds.
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Arsenic is a common n-type dopant in semiconductor electronic devices. It is also a component of the III–V compound semiconductor gallium arsenide. Arsenic and its compounds, especially the trioxide, are used in the production of pesticides, treated wood products, herbicides, and insecticides. These applications are declining with the ...
A trihalide in chemistry is an organohalide consisting of three halide atoms bonded to a single atom or compound. [1] [2] An example of a trihalide is chloroform. The trihalomethanes are the simplest trihalides, because only one hydrogen is connected to the carbon. The 1,1,1-Trichloroethane is one of the trihalides of ethane.
Pages in category "Arsenic halides" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. A. Arsenic pentachloride;