Color Swatch created using heavy to light application and was applied on 100 lb (163 gsm) drawing paper material.
This color contains the following pigments:
PO62—Benzimidazolone Orange
Pigment Type
organic, monoazo
Chemical Name
n/a
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.
Alternate Names
Permanent Orange, Benzimida Orange
PR168—Indanthren Brilliant Orange
Pigment Type
organic, anthraquinone
Chemical Name
n/a
Chemical Formula
n/a
Properties
Indanthren Brilliant Orange is insoluble in water.
Permanence
The lightfastness of anthraquinone vat dyes is consdered to be good, and may be improved upon by the use of protective coatings to avoid exposure of the dye to oxygen.
Toxicity
No information is available.
History
Indanthren Brilliant Orange has been used as a vat dye for textiles.
Alternate Names
Helio Brilliant Orange, Indanthrene Brilliant Orange, Vat Orange
