Synonyms: 2,7-Naphthalenedisulfonicacid, 3-[(3-chloro-2-hydroxy-5-sulfophenyl)azo]-5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-,copper complex (9CI); Copper,3-[(3-chloro-2-hydroxy-5-sulfophenyl)azo]-5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-2,7-naphthalenedisulfonicacid complex (9CI); C.I. 182130; Procion Brilliant Purple H 3R; Procion VioletH 3R; Procion Violet P 3R; Reactive Violet 1