Synonyms: Benzoicacid, o-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]- (8CI);Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, hydroxide,inner salt; 9-(2-Carboxyphenyl)-2,7-dimethyl-3,6-bis(ethylamino)xanthylium;Rhodamine 19; Rhodamine 19 zwitterion; Rhodamine 575