Rhodamine B Extra 540%, yomwe imadziwikanso kuti Rhodamine 540%, primary violet 14, Rhodamine B Extra 500%, Rhodamine B, makamaka amagwiritsa ntchito Rhodamine B pa fluorescence, kapena utoto wa zofukiza. Komanso utoto wa mapepala, tulukani mtundu wowala wa pinki. Ndiwodziwika kwambiri ku Vietnam, Taiwan, Malaysia, utoto wamapepala wamatsenga.