Schmincke Norma Professional Oil Color - Vermilion Red Deep, 35 ml tube

Pigment Information

This color contains the following pigments:

PO62-Benzimidazolone Orange

PR255-Coral Red

Pigment Name

PO62-Benzimidazolone Orange

Pigment Type

organic, monoazo

Chemical Formula

C17H13ClN6O5

Properties

Benzimidazolone Orange is a staining, yellowish orange pigment that can become dull in tints. It has an average drying time, and it loses some of its intensity as it dries. The yellowish orange varieties are more transparent.

Permanence

Benzimidazolone Orange has excellent lightfastness and outstanding heat and solvent stability for a monoazo pigment.

Toxicity

Benzimidazolone Orange is not considered toxic.

History

The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis. Use of benzimidazolone pigments in the auto industry, especially Benzimidazolone Orange, became common in the 1980s because they were common replacements for lead chromate pigments, which were phased out during this period.

Pigment Name

PR255-Coral Red

Pigment Type

organic

Chemical Formula

Properties

Ciba describes PR255 as a yellowish red pigment with medium hiding power and excellent weather resistance, recommended for use in high grade decorative and industrial paints.

Permanence

Pigment Red 255 has excellent lightfastness and weatherfastness at full strength, and can be used for outdoor applications.

Toxicity

History

Pigment Red 255 has been used in paint, plastics, printing inks, and automotive finishes.