Synonyms: Ammonium,[6-(diethylamino)-9-(2,4-disulfophenyl)-3H-xanthen-3-ylidene]diethyl-,hydroxide, inner salt (8CI); Xanthylium,3,6-bis(diethylamino)-9-(2,4-disulfophenyl)-, hydroxide, inner salt;[6-(Diethylamino)-9-(2,4-disulfophenyl)-3H-xanthen-3-ylidene]diethylammoniumhydroxide, inner salt (7CI); Neolan Red E-XB 400 FA; SRA-B