An organic color pigment used in printing inks. Benzimidazolone Orange HL is a dull, reddish orange possessing high lightfastness and heat resistance. It can also withstand exposure to many solvents used in printing inks, but is soluble in some organic solvents. It is an expensive pigment, and is only used when the application warrants the additional expense. (See also Organic Color Pigments.)
('CI Pigment Orange 36 No. 11780'.)