Preparation
4-Aminobenzenesulfonic acid?diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then into aluminum salt.
Properties and Applications
yellow orange. Orange yellow powder. Hardly soluble in water, oil and most solvent, but can be scattered mixed with water, oil and other liquid and solid powder, resistance to light and heat resistance sex than C.I.Food Yellow 3, good salt sex is good, has the certain resistance to acid and alkali resistance. In food, medicine, cosmetic for coloring. The product made of oil products, powder in solid and colloid shading, can also be used for the chocolate icing color of jellybeans break, maximum use of 0.20 g/kg.