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phenol |
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phenol /phe·nol/ (fe´nol) 1. an extremely poisonous compound, C6H5OH, which is caustic and disinfectant; used as a pharmaceutic preservative and in dilution as an antimicrobial and topical anesthetic and antipruritic. Poisoning, due to ingestion or transdermal absorption, causes symptoms including colic, local irritation, corrosion, seizures, cardiac arrhythmias, shock, and respiratory arrest. 2. any organic compound containing one or more hydroxyl groups attached to an aromatic carbon ring.
phenol [fē′nol] Etymology: Gk, phainein, to appear; L, oleum, oil 1 See carbolic acid. 2 any of a large number and variety of chemical products closely related in structure to the alcohols and containing a hydroxyl group attached to a benzene ring. The phenols are components of dyes, plastics, disinfectants, antimicrobials, and other drugs, including salicylic acid. phenol (fē´nôl), n an organic compound in which one or more hydroxyl groups are attached to a carbon atom in an aromatic ring that contains conjugated double bonds. phenol coefficient, n a basis of comparison in determining the relative effectiveness of antiseptics. Phenol is the standard for comparison with other agents for their ability to kill a well-dispersed suspension of Salmonella or Staphylococcus. It has little practical value. phenol 1. an extremely poisonous compound obtained by distillation of coal tar or produced synthetically; used as a disinfectant and used extensively as a wood preservative. Called also carbolic acid. 2. any organic compound containing one or more hydroxyl groups attached to an aromatic or carbon ring. phenol coefficient a measure of the bactericidal activity of a chemical compound in relation to phenol. The activity of the compound is expressed as the ratio of dilution in which it kills in 10 minutes under specified conditions. It can be determined in the absence of organic matter, or in the presence of a standard amount of added organic matter. phenol Folin-Ciocalteau a sensitive, colorimetric method for estimating the protein content of cerebrospinal fluid. plant phenol includes gossypol, tannins. phenol poisoning animals can be exposed to phenol by skin contact with floors and housing which have been treated with the disinfectant, or other phenol-rich substance such as lignite pitch, or by nibbling at wood treated with it. Causes local tissue necrosis and hepatic injury. Cats are particularly susceptible. phenol red phenol Nutrition Phenolics A simple cyclic compound with a hydroxyl group on an aromatic ring–eg, tyrosine; phenols are concentrated in fruits–grapes/raisins, garlic, onions, green tea, and may protect against cardiovascular
disease, CA, possibly viruses Toxicology Carbolic acid, hydroxybenzene, phenyl hydrate A toxic crystalline compound, with a hydroxyl group on a benzene ring; phenol was once used as a topical anesthetic, antiseptic, and antipruritic How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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phenocopy phenodeviant phenogroup phenol phenol block phenol camphor phenol coefficient phenol Folin-Ciocalteau phenol poisoning phenol red phenolate phenolic phenolic, synthetic phenolphthalein phenols |
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