This color contains the following pigments:
C20H12N2O2 or C20H10N2O2
Quinacridone Scarlet is a yellowish red pigment with an average drying time and some uneven dispersion. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colors are often expensive, because more pigment is required in the formulation.
Quinacridone Scarlet has excellent permanence and lightfastness. It is considered one of the most lightfast organic synthetic pigments in this shade range.
Quinacridone Scarlet has no known acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinicridone pigments contain a compound found to be a skin, eye, and respiratory irritant.
Although quinacridone compounds became known in the late 19th century, methods of manufacturing so as to make them practical for use as commercial pigments did not begin until the 1950s. Quinacridone pigments were first developed as coatings for the automotive industry, but were quickly adopted by artists.