phthalocyanine

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phthal·o·cy·a·nine

 (thăl′ō-sī′ə-nēn′, fthăl′-)
n.
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.

phthalocyanine

(ˌθæləʊˈsaɪəˌniːn; ˌθeɪ-; ˌfθæl-) or

phthalocyanin

n
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

phthal•o•cy•a•nine

(ˌθæl əˈsaɪ əˌnin, -nɪn, ˌfθæl-)

n.
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 ?
It is important to remove phthalocyanine dyes from textile wastewater prior to its discharge or reuse since many of these dyes present acute or chronic toxicity on the ecosystems (Dallago et al., 2005).
In one example, PS-PMMA resins were blended with PEG and phthalocyanine dyes, and then molded into disks for holographic recording.