One of the first synthesized pigments, this deep, nearly black color is alkaline sensitive so not found in acrylic paints. Our modern mixture provides a similar color with great permanence. (Series 4)
Pigment Classification: Mixture
Color Index Name: PB 15:1 / PV 23 / PB k9
Color Index Number: 74160 / 51319 / 77267
Chemical Description: Copper Phthalocyanine Carbazole Dioxazine Amorphous Carbon produced by charring animal bones
Opacity/Transparency: Semi-Transparent
Lightfastness Rating: II
Permanency: Very Good
Munsell Notation Listing: Hue 8.0 B Value 2.45 Chroma 1.5
Gloss Average: 73.78
Viscosity Range: 400-1000 CPS
CIE L*a*b* Values: L*24.61 a*2.16 b*-3.37
Tint Strength: 70.3
