Copper phthalocyanine

Copper phthalocyanine (CAS 147-14-8), also known as Phthalocyanine Blue BN or CuPc, is a synthetic organic pigment giving intense blue coloration on industrial substrates.

Where is Copper phthalocyanine used?

• Automotive OEM and refinish coatings: deep, durable blue tones for exterior weathering standards
• Printing inks: foundation of process cyan in offset, flexographic and gravure systems
• Plastics: blue coloration in polyolefins, PVC and engineering polymers
• Textile and paper dyeing: wash-resistant blue shades on fiber and coated substrates
• It is one of the most commercially dominant blue pigments globally.

Good to know: Standard commercial designations include Pigment Blue 15 and its alpha and beta crystal form variants, which differ in shade and dispersibility.

Commercial specifications

• Particle size and surface treatment vary by intended application