Specification :

Lake Red C;Red Toner CNature: also known as red lake C. Red with a yellow powder. Do not dissolve in water, ethanol, such as paraffin. Heat, light, acid, alkali-resistant performance. Mainly used in printing ink, rubber, PVC, and cultural and educational supplies. From 2 - amino -5 - chloro-p-toluene sulfonic acid by diazotization with 2 - naphthol-coupling, together with barium chloride into barium salt, and the system