Hydro Quinone

См. также в других словарях:

• HQ — phot. abbr Hydro Quinone acronym HeadQuarters …   United dictionary of abbreviations and acronyms

• 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 — 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 — /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

• C6H4OH2 — 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… …   The Collaborative International Dictionary of English

• dihydroxy benzene — 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… …   The Collaborative International Dictionary of English

• 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} …   The Collaborative International Dictionary of English

• -one — ⇒ ONE, suff. Suff. tiré à l orig. de la terminaison adaptée de certains termes gr. et servant à former des subst. (gén. en chim., biochim., biol.). A. CHIM. [Sert à former des termes désignant ,,des cétones, sur une base désignant le plus souvent …   Encyclopédie Universelle

• hydroquinone — /haɪdrəkwɪˈnoʊn/ (say huydruhkwi nohn) noun 1. a phenol, 1,4–dihydroxybenzene, C6H4(OH)2, formed by the reduction of quinone, used as an antioxidant. 2. Pharmaceutical → antipyretic. Also, hydroquinol /haɪdrəˈkwɪnɒl/ (say huydruh kwinol). {hydro… …  

• Diels-Alder reaction — The Diels Alder reaction is an organic chemical reaction (specifically, a cycloaddition) between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene system. [cite journal author = Diels,… …   Wikipedia

• Diels–Alder reaction — Named after Otto Paul Hermann Diels Kurt Alder Reaction type Cycloaddition Reaction …   Wikipedia