1A mildly acidic toxic white crystalline solid obtained from coal tar and used in chemical manufacture, and in dilute form (under the name carbolic) as a disinfectant.
- Chemical formula: C6H5OH.
- Industrially, benzene is used in the manufacture of nylon, phenol, styrene (and by polymerization polystyrene), and cyclohexane.
- Believing that not all samples of aniline oil worked consistently, Ziehl substituted phenol (carbolic acid) in its place.
- He cited examples of two key raw materials namely phenol and aniline, which are required to manufacture leather chemicals, pigments, dyestuff and rubber chemicals.
1.1Any compound with a hydroxyl group linked directly to a benzene ring.
- Furfural reacts with phenols, ketones, and esters as an aldehyde; removal of the aldehyde group yields furan, which is converted to tetrahydrofuran, used in the manufacture of nylon.
- The warmer operating temperature of ale yeast encourages a faster, more vigorous fermentation that creates aromatic compounds known as phenols and esters.
- Sebacic acid can be synthesized from phenols and cresols, but castor oil oxidation is considered a ‘greener’ process.
- Example sentences
- The diazonium salt can also be reacted and joined to phenolic groups and amines to give azo compounds.
- Other natural antimicrobials include the phenolic compounds thymol, found in thyme, oregano and sage, and eugenol, the main flavour ingredient of cloves and allspice.
- Varnishes may be based on phenolic, alkyd, epoxy or polyurethane resins.
Mid 19th century: from French phénole, based on phène 'benzene'.
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