Pyrogallol Pyr`o*gal"lol, n. [Pyrogallic + -ol.] (Chem.) A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also {pyrogallic acid}. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Pyrogallol — structure du pyrogallol Général Nom IUPAC 1,2,3 Trihydroxybenzène …   Wikipédia en Français

  • PYROGALLOL — Trihydroxy 1,2,3 benzène, improprement dit acide pyrogallique. Formule brute: C6H3(OH)3 Masse moléculaire: 126,11 g Masse spécifique: 1,453 g/cm3 Point de fusion: 131 133 0C Point d’ébullition: 309 0C Composé inodore, cristallisant en aiguilles… …   Encyclopédie Universelle

  • Pyrogallol — Pyrogallōl, Pyrogallussäure, Brenzgallussäure, ein Trioxybenzol, entsteht aus Gallussäure durch Erhitzen auf 210°, farblose, glänzende Kristalle von bitterm Geschmack, giftig, reduziert Edelmetalle aus ihren Salzen, oxydiert sich, bes. in… …   Kleines Konversations-Lexikon

  • pyrogallol — [pī΄rə gal′ôl΄, pī΄rə gal′ōl΄] n. [ PYRO + GALL(IC ACID) + OL1] a poisonous, white, crystalline phenol, C6H3 (OH) 3, produced by heating gallic acid: used in medicine, as a developer in photography, etc …   English World dictionary

  • Pyrogallol — Strukturformel Allgemeines Name Pyrogallol Andere Namen …   Deutsch Wikipedia

  • Pyrogallol — Chembox new Name = Pyrogallol ImageFile = pyrogallol.svg ImageName = Pyrogallol OtherNames = 1,2,3 Trihydroxybenzene Pyrogallic acid Section1 = Chembox Identifiers CASNo = 87 66 1 SMILES = OC1=C(O)C=CC=C1O Section2 = Chembox Properties Formula =… …   Wikipedia

  • pyrogallol — pyrogallic /puy reuh gal ik, gaw lik/, adj. /puy reuh gal awl, ol, geuh lawl , lol /, n. a white, crystalline, water soluble, poisonous, solid, phenolic compound, C6H3(OH)3, obtained by heating gallic acid and water: used chiefly as a developer… …   Universalium

  • Pyrogallol — Py|ro|gal|lol 〈n.; s; unz.〉 = Pyrogallussäure * * * Py|ro|gal|lol [↑ pyro (1), ↑ Gallussäure (liefert P. beim Erhitzen) u. ↑ ol (1)], das; s; Syn.: (systematisch:) Benzol 1,2,3 triol, ( …   Universal-Lexikon

  • pyrogallol — pirogalolis statusas T sritis chemija formulė C₆H₃(OH)₃ atitikmenys: angl. pyrogallic acid; pyrogallol rus. пирогалловая кислота; пирогаллол ryšiai: sinonimas – 1,2,3 benzentriolis …   Chemijos terminų aiškinamasis žodynas

  • pyrogallol — noun Etymology: International Scientific Vocabulary pyro + gallic (acid) + 1 ol Date: 1869 a poisonous bitter crystalline phenol C6H6O3 with weak acid properties that is usually obtained by pyrolysis of gallic acid and used especially as a mild… …   New Collegiate Dictionary

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