Synonyms: Copper,[tetrahydrogen phthalocyaninetetrasulfonato(2-)]-, tetrasodium salt (8CI);Cuprate(4-),[29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-N29,N30,N31,N32]-,tetrasodium; Cuprate(4-), [29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-kN29,kN30,kN31,kN32]-, tetrasodium (9CI);29H,31H-Phthalocyanine-C,C,C,C-tetrasulfonic acid, copper complex; Acid Blue249; Ariabel Blue 14.12; C.I. 74220; C.I. Acid Blue 249; Copperphthalocyaninetetrasulfonic acid, tetrasodium salt; E 68; Heligon Blue S 4;Heliogen Blue SBP; Phthalocyanine tetrasulfonic acid tetrasodium salt coppercomplex; Tetrasodium copper phthalocyaninetetrasulfonate