Phthalocyanine dye

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Description

A chromophore composed of a conjugated system of double bonds that forms a color complex with a metal. Phthalocyanine type choromophores occur naturally in chlorophyll and animal blood. They were first synthesized in the 1920s and commercially introduced in the 1930s. Because they are insoluble, phthlocyanine dyes are also classified as pigments. Examples include Phthalocyanine green and Phthalocyanine blue. The dyes are not chemically reactive and must be physically attached to the substrate with a binder or adhesive.

Synonyms and Related Terms

phthalocyanine dyes; phthlocyanine pigments; aza[18]annulene dye; Monastral blue

Chemical structure

Phthalodyekes.jpg


Other Properties

Insoluble in water

Sources Checked for Data in Record

  • Website address 1 Comment: www.handprint.com
  • Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980