Copper phthalocyanine Pigment is essentially a copper (II) complex of the tetra aza tetra benzoporphine (CPC). The chlorinated derivative of Copper phthalocyanine Pigment is Phthalocyanine green (Pigment green 7) and its brominated derivative is Pigment green 36 that comes with a shade that is yellowish green.

An Important pigment from the family of Copper phthalocyanine is the C.I. Pigment Blue 15:3. The production steps of which is given here.



Features of Copper Phthalocyanine Pigments
Some of the striking features which makes it a very useful for a variety of applications are the following:

• Light fastness
• Tinting strength
• Covering power
• Resistance to the effects of alkalies and acids
• Good stability

Application of Phthalocyanine Pigment
A major and very useful application of these pigments lies in the manufacturing of cyan printing inks that is used in printing of papers and also in packaging materials.

The Family of Copper Phthalocyanine Pigments

Colour Index Name	Colour Index	CAS NO	Chemical Family
Pigment Blue 15	74160	147-14-8	Copper Phthalocyanine Blue Alpha Form
Pigment Blue 15:1	74160	147-14-8	Copper Phthalocyanine Blue Alpha Form(Stable in Solvent)
Pigment Green 7	74260	1328-53-6	Copper Phthalocyanine (Chlorinated form)
Pigment Green 36	742650	68425-85-4	Copper Phthalocyanine (Colour-Brominated Green)