/euh see'toh feuh nohn", as'i toh-/, n. Chem.
a colorless liquid, C8H8O, having a sweet odor: used chiefly as a scent in the manufacture of perfume. Also called acetylbenzene, hypnone, phenyl methyl ketone.
[1870-75; ACETO- + PHEN- + -ONE]

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      an organic compound used as an ingredient in perfumes (perfume) and as a chemical intermediate in the manufacture of pharmaceuticals (pharmaceutical), resins (resin), flavouring agents, and a form of tear gas. It also has been used as a drug to induce sleep.

      The compound can be synthesized from benzene and acetyl chloride, but it is prepared commercially by the air oxidation of ethylbenzene.

      Pure acetophenone is a colourless liquid, with a melting point of 20.2 °C (68.4 °F) and a boiling point of 202.4 °C (396.3 °F). It is only slightly soluble in water but is freely soluble in ethanol ( ethyl alcohol), diethyl ether (ethyl ether), and chloroform.

William H. Brown

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Universalium. 2010.

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  • acetophenone — |asə(ˌ)tōfəˈnōn, əˌsēd.ō noun ( s) Etymology: International Scientific Vocabulary acet + phenone; probably originally formed as French acétophénone : a colorless liquid ketone CH3COC6H5 found in certain essential oils but prepared synthetically… …   Useful english dictionary

  • acetophenone — noun The aromatic ketone, phenyl methyl ketone, used in the manufacture of very many organic compounds …   Wiktionary

  • acetophenone — ace·to·phe·none .as ə tō fə nōn, ə sēt ō n a colorless liquid ketone CH3COC6H5 formerly used as a hypnotic but now used chiefly in perfumery called also hypnone …   Medical dictionary

  • acetophenone — ace·to·phe·none …   English syllables

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