(redirected from phthalocyanin)
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 (thăl′ō-sī′ə-nēn′, fthăl′-)
A stable blue-green porphyrin-based organic dye, C32H18N8, or any of several blue-green derivatives containing chelated metals, used in enamels, printing inks, linoleum, and plastics.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌθæləʊˈsaɪəˌniːn; ˌθeɪ-; ˌfθæl-) or


1. (Elements & Compounds) a cyclic blue-green organic pigment. Formula: (C6H4C2N)4N4H4
2. (Elements & Compounds) any of a class of compounds derived by coordination of this compound with a metal atom. They are blue or green pigments used in printing inks, plastics, and enamels
[C20: from phthal- (see phthalein) + cyanine]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌθæl əˈsaɪ əˌnin, -nɪn, ˌfθæl-)

any of a group of blue-green pigments, esp. C32H18N8 (metal-free phthalocyanine), used to make enamels, printing inks, and automotive finishes.
[1930–35; (na)phthal(ene) + -o- + cyanine]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Examples include the conversion of green solid waste into pharmaceutical aluminum hydroxide and the reduction of the blue phthalocyanin plant's urea consumption by 31% through process modifications.
Acrylic Chips: Azo Pigments, phthalocyanin, hansa yellow, carbazole violet, carbon black, basic dye pigments.
Flushed Colors: Azo pigments, phthalocyanines, hansa yellow, carbazole violet, quinacridone, basic dye pigments.
Polyethylene Flushes: Azo Pigments, quinacridone, phthalocyanines.
Tomfis, "Phthalocyanines and phthalocyanine analogues: the quest for applicable optical properties," Monatshefte fUr Chemie, vol.
Sharpe, The Phthalocyanines Advances, Academic Press, New York, NY, USA, 1965.