|phthalocyanine (ˌθæləʊˈsaɪəˌniːn, ˌθeɪ-, ˌfθæl-)|
|1.||a cyclic blue-green organic pigment. Formula: (C6H4C2N)4N4H4|
|2.||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 |
phthalocyanine phthal·o·cy·a·nine (thāl'ō-sī'ə-nēn')
Any of several stable, light-fast, blue or green organic pigments used in enamels and plastics.