Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems when used as intended. See [Health and Safety ](https://www.dickblick.com/learning-resources/product-info/health-safety/ "Learning-resources/product-info/health-safety")for further information.
Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems when used as intended. See [Health and Safety ](https://www.dickblick.com/learning-resources/product-info/health-safety/ "Learning-resources/product-info/health-safety")for further information.
Due to differences in users’ monitors, the colors presented are an approximation of the true color.
PR177-Anthraquinone Red
PBr23-Van Dyke Brown
PR168-Indanthren Brilliant Orange
PR177-Anthraquinone Red
anthraquinone
C14H8O2
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.
Anthraquinone Red has good lightfastness and permanence in its masstone, while its tint lightfastness is moderate. Overall lightfastness and permanence varies by brand.
Anthraquinone Red has no significant acute toxicity.
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.
PBr23-Van Dyke Brown
organic, disazo
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.
PR168-Indanthren Brilliant Orange
organic, anthraquinone
Indanthren Brilliant Orange is insoluble in water.
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.
No information is available.
Indanthren Brilliant Orange has been used as a vat dye for textiles.
UPC Code: 8715046021729
ASIN #: B005WK0RVK