4B acid is white and beige powder, with characteristics of normal organic amines, slightly dissolving in hot water and not dissolving in cold water, benzene and chlorobenzene, dissolving in ethanol, ether and dilute alkali solution.
4B acid is an important intermediate of organic pigment, Pigment Lithol Rubine 6B and BK.
4B acid is white and beige powder, with characteristics of normal organic amines, slightly dissolving in hot water and not dissolving in cold water, benzene and chlorobenzene, dissolving in ethanol, ether and dilute alkali solution.