Phenol was discovered in 1834 by Friedlieb Ferdinand Runge, who extracted it (in impure form) from coal tar. Runge called phenol "Karbolsäure" (coal-oil-acid, carbolic acid). Coal tar remained the primary source until the development of the petrochemical industry. The French chemist Auguste Laurent … See more Phenol (systematically named Benzenol, also called carbolic acid or phenolic acid) is an aromatic organic compound with the molecular formula C6H5OH. It is a white crystalline solid that is volatile. The molecule consists of a See more Because of phenol's commercial importance, many methods have been developed for its production, but the cumene process is the dominant technology. Cumene process Accounting for 95% … See more Phenol is a normal metabolic product, excreted in quantities up to 40 mg/L in human urine. The See more Phenol and its vapors are corrosive to the eyes, the skin, and the respiratory tract. Its corrosive effect on skin and mucous membranes is due to a protein-degenerating effect. … See more Phenol is an organic compound appreciably soluble in water, with about 84.2 g dissolving in 1000 mL (0.895 M). Homogeneous mixtures of phenol and water at phenol to water mass ratios of ~2.6 and higher are possible. The sodium salt of phenol, See more The major uses of phenol, consuming two thirds of its production, involve its conversion to precursors for plastics. Condensation with acetone gives bisphenol-A, a key precursor to polycarbonates and epoxide resins. Condensation of … See more Cryptanaerobacter phenolicus is a bacterium species that produces benzoate from phenol via 4-hydroxybenzoate. Rhodococcus phenolicus is a bacterium species able to degrade phenol as sole carbon source. See more
Phenol-formaldehyde resin chemical compound
WebSep 24, 2024 · Phenols are widely used as antiseptics (substances that kill microorganisms on living tissue) and as disinfectants (substances intended to kill microorganisms on … WebMost of the phenol used today is produced from benzene, through either hydrolysis of chlorobenzene or oxidation of isopropylbenzene (cumene). Hydrolysis of chlorobenzene … buying a new car in spain
17.9: Phenols and Their Uses - Chemistry LibreTexts
WebPhenols can also be obtained from diazonium salts by treating it with dilute acids. 4. Preparation of Phenols from Cumene Cumene is an organic compound obtained by … WebAug 30, 2016 · Among the phenolic components, catechol is probably produced via the demethylation of guaiacol and 3-methoxy-1,2-benzenediol can be obtained from the demethylation of syringol . The results shown in Table 1 indicate that the major lignin units of the wood vinegar were sinapyl alcohol and coniferyl alcohol. WebPhenol is obtained by fractional distillation of coal tar and by organic synthesis. By far, its largest single use is in manufacture of phenolic resins and plastics. Other uses include … buying a new car in sc