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Iodoform stored in an ampoule. Iodoform (also known as triiodomethane) is the organoiodine compound with the chemical formula C H I 3.It is a pale yellow, crystalline, volatile substance, with a penetrating and distinctive odor (in older chemistry texts, the smell is sometimes referred to as that of hospitals, where the compound is still commonly used) and, analogous to chloroform, sweetish taste.
In 1822, Serullas added potassium metal to a solution of iodine in ethanol and water to form potassium formate and iodoform, called in the language of that time hydroiodide of carbon, [1] and used as an antiseptic. He is buried in the Père Lachaise Cemetery (10th division). [2] Tomb of Georges Simon Serullas at Père-Lachaise Cemetery
Trifluoromethane and chlorodifluoromethane are both used as refrigerants. Chlorodifluoromethane is a refrigerant HCFC, or hydrochlorofluorocarbon, while fluoroform is an HFC, or hydrofluorocarbon. Fluoroform is not ozone depleting. Chloroform is a common solvent in organic chemistry.
In chemistry, the haloform reaction (also referred to as the Lieben haloform reaction) is a chemical reaction in which a haloform (CHX 3, where X is a halogen) is produced by the exhaustive halogenation of an acetyl group (R−C(=O)CH 3, where R can be either a hydrogen atom, an alkyl or an aryl group), in the presence of a base.
Diiodomethane or methylene iodide, commonly abbreviated "MI", is an organoiodine compound.Diiodomethane is a very dense colorless liquid; however, it decomposes upon exposure to light liberating iodine, which colours samples brownish.
The term "lab lit" was coined by Jennifer Rohn in an essay in 2005, [2] along with the launch of the Lablit website. [7] The term began to appear in the cultural pages of science magazines during the first decade of the 21st century [8] [9] [10] and has been championed by such scientist novelists such as Carl Djerassi, Ann Lingard [11] and ...
The term is used to describe not some movement, but a work of literature characterized by the selection of a few details to convey the sense impressions left by an incident or scene [90] [91] Joseph Conrad, Stephen Crane, Virginia Woolf, Mykhailo Kotsiubynsky, Aleksey Remizov, Vladimir Nabokov: Expressionism
Prior to the introduction of this chromium-based protocol, olefination reactions generally gave Z alkenes or mixtures of isomers. [1] Similar olefination reactions had been performed using a variety of reagents such as zinc and lead chloride; [5] however, these olefination reactions often lead to the formation of diols—the McMurry reaction—rather than the methylenation or alkylidenation of ...