Synonyms: Zinc,[tetrahydrogen phthalocyaninetetrasulfonato(2-)]-, tetrasodium salt (8CI);Zincate(4-),[29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-N29,N30,N31,N32]-,tetrasodium; Zincate(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, zinc complex; Tetrasodiumzinc phthalocyaninetetrasulfonate; Zinc phthalocyaninetetrasulfonic acidtetrasodium salt; Zinc tetrakis(sodium sulfonato)phthalocyanine