Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
This color contains the following pigments:
PR177—Anthraquinone Red
Pigment Type
anthraquinone
Chemical Name
n/a
Chemical Formula
C14H8O2
Properties
Anthraquinone Red is a magenta colored pigment that is transparent and moderately intense. It tends to fade in tints and is suitable for all media.
Permanence
Anthraquinone Red has good lightfastness and permanence in its masstone, while its tint lightfastness is moderate. Overall lightfastness and permanence varies by brand.
Toxicity
Anthraquinone Red has no significant acute toxicity.
History
Anthraquinone pigments originated as textile vat dyes before being used as pigments. They became more popular with artists once it was discovered that careful preparation and grinding helped them to retain brilliance of color.
Alternate Names
Anthraquinoid Red.
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
PBr23—Van Dyke Brown
Pigment Type
organic, disazo
Chemical Name
n/a
Chemical Formula
n/a
Properties
n/a
Permanence
n/a
Toxicity
n/a
History
This organic pigment has been called Van Dyke Brown because it is so similar to the brown used by Flemish painter Anthony van Dyck, although it is in fact a modern synthetic pigment. In addition to its use in art, it has been used as a pigment for coloring plastics and synthetic fibers.
Alternate Names
Cromophtal Brown, Microlith Brown
