Chromate(3-),bis[3-(hydroxy-kO)-4-[[2-(hydroxy-kO)-1-naphthalenyl]azo-kN1]-7-nitro-1-naphthalenesulfonato(3-)]-, trisodium(9CI); Chromate(3-),bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-,trisodium; 1-Naphthalenesulfonic acid,3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-, chromium complex; AcidBlack 172; Acid Black D-BL; Acid Black GR; Acid Black MR; Acid Black MRI; AcidBlack RS-BLN; Allilon Acid Black M-R; Ambilan Black DR; Anadurm Black S-DR;Apollo Nylon Fast Black GLF; Apollo Nylon Fast Black GLFN; Bemaplex Black CR;Best Acid Black LD; Black M-RN; C.I. 15711:1; C.I. Acid Black 172; ChromalonBlack MR; Cololan Black LD; Daedo Acid Black LD; Dinalan Fast Black LDN; DyalanBlack S-DL; Dye-O=Lan Black RPL; Elbelan Black M-R; Elbenyl Black D-R; ErionylBlack M-R; Erionyl Black M-RN; Everacid Black LD; Everacid Black LDN; EveracidGrey EBL; Hispalan Black H-RN; Isolan Black 2S-RLN; Kemacid Black MR; LanasetBlack B; Lanasyn Black S-DB; Lerui Acid Black S-RL; Monacid Black MR; NeutralBlack S-RL; Neutrichrome Black M-R; Nylanthrene Black C-DPL; Nylomine Black D2R; Pacid Black MR; RS-BLN Acid Black 172; Ratna Acid Black MR; Ricoamide BlackRPL; Rifa Acid Fast Black LDS; Rifa Leather Grey BL; Rylan Black R; Sella FastBlack BR; Sella Fast Black BR 7; Telon Black LD 01; Telon Fast Black LDN;Triasolan Black RLS