orcinol

orcinol
3,5-Dihydroxytoluene; the parent substance of the natural dye orcein, obtained from certain colorless lichens (Lecanora tinctoria, Rocella tinctoria) by treatment with boiling water; used as an external antiseptic in various skin diseases and in chemistry as a reagent for pentoses. SYN: 5-methylresorcinol, orcin.

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or·cin·ol 'ȯr-sə-.nȯl, -.nōl n a crystalline dihydroxy phenol CH3C6H3(OH)2 obtained from various lichens that is used as an analytical reagent

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or·ci·nol (orґsĭ-nol) an antiseptic principle derived mainly from lichens, used as a reagent in various tests; called also orcin.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Orcinol — Structure de l orcinol Général Nom IUPAC 3,5 dihydroxytoluène …   Wikipédia en Français

  • orcinol — ● orcinol nom masculin ou orcine nom féminin Dérivé dihydroxylé du méthylbenzène. (Présent dans de nombreux lichens, il a des propriétés voisines de celles du résorcinol.) ⇒ORCINE, subst. fém.; ORCINOL, subst. masc. CHIM. Diphénol dérivé du… …   Encyclopédie Universelle

  • Orcinol — Orcinol[1] IUPAC name …   Wikipedia

  • orcinol — [ôr′sinôr′sə nôl΄, ôr′sənōl΄] n. [< It orcello,ARCHIL + IN1 + OL1] a colorless, crystalline compound, C6H3·CH3 (OH) 2, that becomes red in air, obtained from aloes, lichens, etc. and used as a medicine, in dyes, etc.: also orcin [ôr′sin] …   English World dictionary

  • orcinol — orcinolis statusas T sritis chemija formulė (HO)₂C₆H₃CH₃ atitikmenys: angl. orcinol rus. орсин ryšiai: sinonimas – 5 metil 1,3 benzendiolis …   Chemijos terminų aiškinamasis žodynas

  • Orcinol 2-monooxygenase — Identifiers EC number 1.14.13.6 CAS number 37217 34 8 …   Wikipedia

  • orcinol — /awr seuh nawl , nol /, n. Chem. a white, crystalline, water soluble solid, C7H8O2, sweet but unpleasant in taste, that reddens on exposure to air: obtained from many lichens or produced synthetically and used chiefly as a reagent for certain… …   Universalium

  • orcinol — noun A natural phenolic organic compound that occurs in many species of lichen, used in the production of orcein and as a reagent in some chemical tests for pentoses …   Wiktionary

  • orcinol — n. crystalline substance that is found in many lichens and becomes red upon exposure to air (used in the production of dyes) …   English contemporary dictionary

  • orcinol — [ ɔ:sɪnɒl] noun Chemistry a crystalline compound extracted from orchil, used to make dyes. Origin C19: from mod. L. orcina, from Ital. orcello orchil …   English new terms dictionary

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