phthal·o·cy·a·nine (th l  -s   -n n, fthl-)n. Any of several stable, light-fast, blue or green organic pigments derived from the basic compound (C6H4C2N)4N4 and used in enamels, printing inks, linoleum, and plastics. [phthal(ic) + cyanine.] |
phthalocyanine [ˌθæləʊˈsaɪəˌniːn ˌθeɪ- ˌfθæl-]
n
1. (Chemistry / Elements & Compounds) a cyclic blue-green organic pigment. Formula: (C6H4C2N)4N4H4
2. (Chemistry / 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
[from phthal- (see phthalein) + cyanine]
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