copper phthalocyanine
English
Noun
copper phthalocyanine (uncountable)
- A synthetic chemical used as a colorant in paints and dyes. First used in 1929. In pure form it is an intense blue. It is chlorinated to produce very intense dark green, and brominated and chlorinated copper phthalocyanines are mixed to produce a yellower emerald green.
Synonyms
- phthalo blue