pyrogallic acid

pyrogallic acid
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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  • pyrogallic acid — [pī΄rō gal′ik] n. PYROGALLOL * * * …   Universalium

  • pyrogallic acid — [pī΄rō gal′ik] n. PYROGALLOL …   English World dictionary

  • pyrogallic acid — n. a weak acid used as a developer in photography, etc. * * * noun a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer • Syn: ↑pyrogallol • Derivationally related forms: ↑pyrogallic (for:… …   Useful english dictionary

  • pyrogallic acid — 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

  • pyrogallic acid — SYN: pyrogallol. * * * py·ro·gal·lic acid .gal ik n PYROGALLOL * * * py·ro·gal·lic ac·id (pi″ro galґik) pyrogallol …   Medical dictionary

  • pyrogallic acid — noun an alternative name for the trihydroxy phenol, pyrogallol …   Wiktionary

  • pyrogallic — adjective of, or relating to pyrogallol (pyrogallic acid) …   Wiktionary

  • Pyrogallic — Pyr o*gal lic, a. [Pyro + gallic.] (Chem.) Pertaining to, derived from, or designating, an acid called pyrogallol. See {Pyrogallol}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tannic acid — IUPAC name 2,3 dihydroxy 5 ({[(2R,3R,4S,5R,6R) 3,4,5,6 tetrakis({3,4 dihydroxy 5 [(3,4,5 trihydroxyphenyl)carbonyloxy]phenyl}carbonylox …   Wikipedia

  • gallic acid — Chem. a white or yellowish, crystalline, sparingly water soluble solid, C7H6O5, obtained from nutgalls, used chiefly in tanning and in ink dyes. [1785 95; < F acide gallique] * * * ▪ chemical compound       substance occurring in many plants,… …   Universalium

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