Is Copper Phthalocyanine Blue vegan?

Pigment Blue 15 is also known as Copper Phthalocyanine Blue.

CI 74160 (Copper Phthalocyanine, Pigment Blue 15:2) is a bright synthetic blue pigment based on a copper phthalocyanine complex, valued for its light fastness, tinting strength, and resistance to acids and alkalis.

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