blue pigment 1.high quality&competitive price 2.Phthalocyanine blue 15,15:1,15: ... .V etc. color blue pigment 15:3,15:4 1. PropertiesProduct name: Phthalocyanine blue 15, 15:1, ... 8 Molecular Formula: C32H16CuN8 Appearance: bright, greenish-blue crystalline powder 2. ApplicationsMain use:ink, water-based ... the containes is visible.Organic pigment color blue pigment 15:3,15:4Phthalocyanine blue 15, 15:1, 15 ...