Noun
English Wikipedia has an article on:phthalocyanineWikipedia
phthalocyanine (plural phthalocyanines)
(organic chemistry) Any of a family of macrocyclic compounds having a structure similar to that of porphyrin; they are blue/green pigments that are used in plastics and enamels.
In organic pigments such as diazo or phthalocyanine compounds the light is absorbed by the conjugated systems of double bonds in the molecule. Source: Internet
Phthalocyanine is a natively stable dye (has no need for stabilizers) and CD-Rs based on this are often given a rated lifetime of hundreds of years. Source: Internet
COLORMATCH® UPL-50256 by Chromaflo Technologies is a green color finely ground polychlorinated copper phthalocyanine (25%) pigment dispersion. Source: Internet
Green 4136 by Colorwen International (Cheng Feng Group) is an inorganic bromated and chlorinated copper phthalocyanine. Source: Internet
Chlorinated copper phthalocyanine based green colored pigment. Source: Internet
EVORGA BLUE 15:1 is a copper phthalocyanine grade. Source: Internet