
Pigment Blue 15
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Pigment Blue 15 is a chemical compound, it belongs to the sulfonated Metal phthalocyanines family with the name copper phthalocyanine-3,4′,4″,4″′-tetrasulfonic acid tetrasodium salt. It appears in the form of a blue powder. The name describes the structure of the molecule: Copper is the copper ion (Cu) a transition metal that can form complex ions...