Learn how to say Phthalocyanines correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word phthalocyanine:
[mass noun] Chemistry
a greenish-blue crystalline dye of the porphyrin group.
Chemical formula: C32H18N8
[count noun] any of a large class of green or blue pigments and dyes which are chelate complexes of phthalocyanine or one of its derivatives with a metal (in particular, copper):
1930s: from phthalic (see phthalic acid) + Greek kuan(e)os ‘dark blue’ + -ine4