Synonyms: Benzoicacid,o-[3-[(4-sulfo-o-tolyl)imino]-6-o-toluidino-3H-xanthen-9-yl]-, monosodiumsalt (8CI);Benzoic acid,o-[3-[(4-sulfo-o-tolyl)imino]-6-o-toluidino-3H-xanthen-9-yl]-, sodium salt(7CI);Acid leather violet R;Xanthylium,9-(2-carboxyphenyl)-3-[(2-methylphenyl)amino]-6-[(2-methyl-4-sulfophenyl)amino]-,hydroxide, inner salt, monosodium salt;C.I. 45190;C.I. Acid violet 9;Violamine R;