Synonyms: Ammonium,[6-(diethylamino)-3H-xanthen-3-ylidene]diethyl-, chloride (8CI); Ethanaminium,N-[6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-, chloride; Pyronine B (6CI);Xanthylium, 3,6-bis(diethylamino)-, chloride (9CI);[6-(Diethylamino)-3H-xanthen-3-ylidene]diethylammonium chloride (7CI); C.I.45010; Pyronin B; Pyronine B(By)