Pigment Red 8

yellow red, shallow blue light pink. Red powder, colour and lustre is more bright-coloured. Acid resistance is good, resistance to solvents and alkali resistance is poor. In concentrated sulfuric acid for yellow big red, dilution after big red precipitation; In concentrated nitric acid for blu-ray big red; In the sodium hydroxide solution does not change color. Mainly used in printing ink, paper, cosmetics, paint, pencil and coloring, also used for artificial leather, rubber and plastic products coloring.