An organic color pigment used in printing inks. BON Maroon comprises several shades, depending on the metallic salt it contains, the most common being a deep blue red possessing moderate lightfastness, high resistance to acids, and moderate resistance to alkalis and solvents. (See also Organic Color Pigments.)
('CI Pigment Red 63 No. 15880'; CI Pigment Red 63 [sodium]; CI Pigment Red 63:1 [calcium]; CI Pigment Red 63:2 [manganese].)