red light yellow. Red light yellow powder, insoluble in water. In 5% sodium carbonate and 5% hydrochloric acid has good stability, light fastness not beautiful, in 120 ℃ when stability, when more than 120 ℃ sublimation. Used for alcohol, cool kind of solvent coloring, also used for oil, fat and wax color, also can be used for cellulose esters varnish color.
