Old Holland Classic Artist Watercolor - Rose Dore Mad. Lake Antique Ex, 6 ml tube

Pigment Information

This color contains the following pigments:

PR177-Anthraquinone Red

PBr23-Van Dyke Brown

PR168-Indanthren Brilliant Orange

Pigment Name

PR177-Anthraquinone Red

Pigment Type

anthraquinone

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.

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.

Pigment Name

PBr23-Van Dyke Brown

Pigment Type

organic, disazo

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.

Pigment Name

PR168-Indanthren Brilliant Orange

Pigment Type

organic, anthraquinone

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.

History

Indanthren Brilliant Orange has been used as a vat dye for textiles.