1-Naphthalenesulfonicacid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-,monosodium salt (9CI); C.I. Mordant Red 7 (7CI); C.I. Mordant Red 7, monosodiumsalt (8CI); Eriochrome Red B (6CI); Acid Chrome Bordeaux 2A; Acid ChromeBordeaux B; Acid Chrome Red; Airedale Red BC; Alizarine Brilliant Red 3R;Anthranol Chrome Red ECB; Atlantichrome Fast Red B; Azochromol Red G; C.I.18760; Calcochrome Fast Red ECB; Chromaven Fast Red B; Chrome Bordeaux R;Chrome Fast Red 2B; Chrome Fast Red B; Chrome Red; Chrome Red B; Chrome RedECB; Chrome Red MB; Diacromo Red B; Diacromo Red MB; Diamond Red ECB;Durochrome Red B; Fenakrom Red B; Hispacrom Red 2B; Java Chrome Red B; JavaUnichrome Red B; Magracrom Bordeaux 2A; Mitsui Chrome Red B; Monochrome Red BS;NSC 47717; Omega Chrome Red B; Orthochrome Bordeaux B; Pontachrome Fast Red E;Salicine Chrome Bordeaux R; Solochrome Leather Red ER; Solochrome Red ER;Sunchromine Red B; Superchrome Red ECB; Symulon Chrome Red B; Tertrochrome Red2B; Yodochrome Red BB