Hydroquinone

Hydroquinone
Hydroquinone Hy`dro*qui"none, n. [Hydro-, 2 + quinone.] (Chem.) A white crystalline substance, {C6H4(OH)2}, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also {dihydroxy benzene}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Hydroquinone — Hydroquinone …   Wikipedia

  • Hydroquinone — Formule semi développée de l hydroquinone Général Nom IUPAC benzène 1,4 diol …   Wikipédia en Français

  • HYDROQUINONE — Benzène 1,4 diol ou paradiphénol Masse moléculaire: 110,11 g Masse spécifique: 1,358 g/cm3 Point de fusion: 170,5 0C Point d’ébullition: 286,2 0C. Composé dimorphe: cristallise en prismes hexagonaux incolores après recristallisation dans l’eau,… …   Encyclopédie Universelle

  • hydroquinone — [hī΄drōkwin′ôl, hī΄drō kwin′ōlhī΄drō kwi nōn′, hī΄drōkwin′ōn΄] n. [ HYDRO + QUINONE] a white, crystalline substance, C6H4 (OH) 2, used in photographic developers, dyes, paints, etc. and in medicine to remove pigmentation from the skin: also… …   English World dictionary

  • hydroquinone — hidrochinonas statusas T sritis chemija formulė C₆H₄(OH)₂ atitikmenys: angl. hydroquinone rus. гидрохинон ryšiai: sinonimas – 1,4 benzendiolis …   Chemijos terminų aiškinamasis žodynas

  • Hydroquinone glucosyltransferase — In enzymology, a hydroquinone glucosyltransferase (EC number|2.4.1.218) is an enzyme that catalyzes the chemical reaction:UDP glucose + hydroquinone ightleftharpoons UDP + hydroquinone O beta D glucopyranosideThus, the two substrates of this… …   Wikipedia

  • hydroquinone — noun Etymology: International Scientific Vocabulary Date: circa 1872 a white crystalline strongly reducing phenol C6H6O2 used especially as a photographic developer, as an antioxidant and stabilizer, and in medicine to remove pigmentation from… …   New Collegiate Dictionary

  • hydroquinone — /huy droh kwi nohn , dreuh kwin ohn/, n. Chem. a white, crystalline compound, C6H6O2, formed by the reduction of quinone: used chiefly in photography and to inhibit autoxidation reactions. Also called hydroquinol /huy dreuh kwin awl, ol/, quinol …   Universalium

  • hydroquinone — noun The diphenol para dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol …   Wiktionary

  • hydroquinone — An antioxidant used in ointments. SYN: hydroquinol, quinol. * * * hy·dro·qui·none kwin ōn, kwin .ōn n a bleaching agent C6H6O2 used topically to remove pigmentation from hyperpigmented areas of skin (as a lentigo or freckle) * * * hy·dro·quin·one …   Medical dictionary

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