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

Pigment Classification: Mixture

Color Index Name: PB15:1 / PV23 / Pbk9

Color Index Number: 74160 / 51319 / 77266

Chemical Description: Copper Phthalocyanine Carbazole Dioxazine Carbonized Bones (amorphous carbon)

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: 16000-20000 CPS

CIE L*a*b* Values: L*24.61 a*2.16 b*-3.37

Tint Strength: 70.3