A cold color with the strongest tinting strength and deepest transparency of all pigments, modern Diox is useful as a high key tint. This purple is so strong that some use it as a black. Diox makes a cold intense tint. Use sparingly. Pigment: Carbazol dioxazine (PV 23) Vehicle: Alkali refined linseed oil Lightfastness I, Series 2, TRANSPARENT, MSDS