Sennelier Extra-Fine Artist Acryliques - Pink Madder, 60 ml tube

Pigment Information

This color contains the following pigments:

PR208-Benzimidazolone Red

PV19-Quinacridone Violet

Pigment Name

PR208-Benzimidazolone Red

Pigment Type

organic, benzimidazolone

Chemical Formula

C29H25N5O5

Properties

Pigment Red PR208 is a transparent bright bluish red pigment that mixes cleanly. It has low tinting strngth.

Permanence

Although not absolutely lightfast, Pigment PR208 offers excellent lightfastness for an organic red pigment.

Toxicity

Pigment PR208 is mildly toxic.

History

Benzimidazolone Red has been used in a wide variety of printing, plastics, automotive, textile, and industrial applications.

Pigment Name

PV19-Quinacridone Violet

Pigment Type

organic synthetic, quinacridone

Chemical Formula

C20H12N2O2

Properties

Quinacridone Red is a high performance, transparent pigment with an average drying time and uneven dispersal. It is another name for Quinacridone Violet (PV19) and Quinacridone Red (PR192). 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.

Permanence

Quinacridone Violet has excellent lightfastness and is considered the most lightfast organic pigment in this shade range.

Toxicity

Quinacridone Violet 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.

History

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.