Bright Alizarin Madder lake 23600 is a manufactured organizational pigment based on the substance alizarin. The pigment is strongly coloring with glazing properties. The lightfastness is high 7 (where the highest value is 8). Resistance in Acid: 4 (where the worst is 1), Alkali 4, Lime: 4 (where the 1 is worst and 5 is best). The pigment is suitable in oil, watercolor, tempera, lime and fresco techniques. Available in the category "Linseed oil for art painting" Chemical formula: C14H8O4 Colour Index PR 112.12370 25kg bags available, request a quote via e-mail.