Pigment Violet 23/Permanent Violet RL-B C .I . NO:Pigment Violet 23 CAS NO:6358-30-1 Molecular Weight: 589,47 Molecular Formula:C34H22Cl2N4O2 Manufacturing Methods :9-Ethyl-9H-carbazol-3-amine and 2,3,5,6-Tetrachlorocyclohexa-2,5 -diene-1,4-dione in 1,2,4-Trichlorobenzene of condensation, closed loop. Properties and Applications:blue light purple. Light purple powder. Bright color. Tinting strength, high heat resistance, resistance to penetration-proof and light fastness excellent. Mainly used in coating, printing ink, rubber and plastics coloring, also used in synthetic fibre of protoplasm coloring. Used as a high-grade coatings (car original primer), water-based ink, suitable for in addition to all kinds of plastic, the PA with phthalocyanine blue for plastic formed in the red light blue. Close to International Similar grades: 5001 Carbazole Violet Acosil Violet 23 Alkyd Flush (A46-1748) Alpafast Violet BL 612 Alpafast Violet RL 603 Aquadisperse (AVE-0580) Aquadispers