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.
PR187-Naphthol Red 187
PR187-Naphthol Red 187
organic, monoazo
CONHC6H4-(p)CONH2
Pigment Red PR187 is a transparent red with a bluish tone, part of the Naphthol AS family of red pigments.
Pigment Red PR187 has excellent lightfastness and weather fastness in most applications.
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
Pigment Red PR187 is one of the most widely used synthetic red pigments. It has been used to color latex, plastics, paints, resins, and printing inks. Because it is somewhat transparent, it has sometimes been used in metallic automotive finishes.
UPC Code: 8712079436636